Answer:
Proton has a positive charge.
Is Food a better source of nutrients than dietary supplements.
Answer:
Supplements can plug dietary gaps, but nutrients from food are most important. The fresh food you eat is loaded with nutrients necessary for good health, such as magnesium, calcium, and vitamins A and C. But many older adults aren't getting enough nutrients from their diets.
Explanation:
Which of the following statements regarding the human
population are TRUE? Select TWO.
SELECT ALL THAT APPLY
The world's population of humans is
increasing.
In every country, the human population is
increasing.
In some countries, the human population is
decreasing or staying the same.
The world's population of humans is
staying constant
Answer: Which of the following statements regarding the human
population are TRUE? Select TWO.
The world's population of humans is
increasing.
In every country, the human population is
increasing
In some countries, the human population is
decreasing or staying the same.
The world's population of humans is
staying constant.
Which of the following statements regarding the human
population are TRUE? Select TWO.
The world's population of humans is
increasing.
In every country, the human population is
increasing
In some countries, the human population is
decreasing or staying the same.
The world's population of humans is
staying constant.
Which of the following statements regarding the human
population are TRUE? Select TWO.
The world's population of humans is
increasing.
In every country, the human population is
increasing
In some countries, the human population is
decreasing or staying the same.
The world's population of humans is
staying constant.
Which of the following statements regarding the human
population are TRUE? Select TWO.
The world's population of humans is
increasing.
In every country, the human population is
increasing
In some countries, the human population is
decreasing or staying the same.
The world's population of humans is
staying constant.
Which of the following statements regarding the human
population are TRUE? Select TWO.
The world's population of humans is
increasing.
In every country, the human population is
increasing
In some countries, the human population is
decreasing or staying the same.
The world's population of humans is
staying constant.
Explanation:
Which of the following statements regarding the human
population are TRUE? Select TWO.
The world's population of humans is
increasing.
In every country, the human population is
increasing
In some countries, the human population is
decreasing or staying the same.
The world's population of humans is
staying constant.
The study of population is called demography.
The correct answer is A and C.
A group of the same species living together and interacting with other species is called a population.
The changes in the population are as follows:-
IncreasingDecreasingNeutralThe population can never be constant. The world's population is increasing every day. The birth rate is higher than the death rate.
But in countries, the population is decreasing because there the birth rate is lesser than the death rate due to which the population is decreasing.
Hence, the correct answer is A and C.
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explain where you observe reflection refraction and absorption of light in your every day life
Answer:
Reflection: you look in the mirror.
Refraction: You put a straw in a glass of water, and it looks like it broke.
Absorption: If you have a black sweater and you wear it out in the cold, the black sweater is going to hold in heat better than a lighter sweater because the black sweater absorbs light .
What is the purpose of checkpoint proteins? *
Answer:
The key role of checkpoint proteins is to detect DNA damage and send a signal to delay cell cycle advance until the damaged chromosomes are repaired
Explanation:
After pioneer plants begin their role in the process of ecological succession , what is the most likely organism to follow? A trees B moss C shrubs D weeds
Answer:
They are correct
Explanation:
I took a test that had this question and got it right
So Thank You
After pioneer plants begin their role in the process of ecological succession, the most likely organism to follow is shrubs.
What do you mean by Ecological succession?Ecological succession may be defined as the gradual and continuous replacement of one species by another over a specific period of time.
After the primary succession occurs, the pioneer species are evolved, and due to this, the process of ecological succession carries forward. These pioneer species are generally plants that performed photosynthesis.
Therefore, after pioneer plants begin their role in the process of ecological succession, the most likely organism to follow is shrubs.
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What is Respiration?
___________________________________________________________
[tex]Glad\;to\;help!\\\\\huge\boxed{Thanks,\;Plip.}[/tex]
Tina creates the layered column of liquids shown below to demonstrate certain characteristics of the layers of the Earth Oil (density 0.s5 omL) Water (dernsity 1.00 pim -Corn syrup (densily 1.02 gml Density Column Which of the following is the biggest limitation of how this model can represent Earth? O Convection is not possible in this model OWaves, such as seismic waves from an earthquake, are not able to travel through this model O Density is not an important characteristic of Earth's layers O Relative thickness of the layers is not accurate
Answer:i think it’s B. Waves such as
Explanation:
what is the word for this definition?
when an elements has more then one type each with the same number of protons but a different number of neutrons.
a. radioactive decay
b. half life
c. isotopes
d. daughter atoms
PLZ HELP THIS IS URGENT
15 POINTS!!!!
WILL GIVE BRANLIST IF THERE ALL RIGHT!!!!
PLZ HELP I HAVE 2 HOURS TO TURN THIS IN!!!
Classify each as a carbohydrate or lipid. 1.carbohydrate
2.lipid
unsaturated fat
phospholipid
triglyceride
steroid
glucose
polysaccharide
starch
cellulose
2.
Classify each as a carbohydrate or lipid.
phospholipid 1.carbohydrate
2.Lipid
forms the cell membrane of all cells
cholesterol
animal and plant structures
provides long-term energy storage for animals
provides immediate energy
one sugar
I NEED THIS DONE RIGHT PLZ AND THANK YOU
HOW YOU WILL ANSER THEM IS
*EXAMPLE*
1.(THE WORD) AND IF ITS A CARBOHYDRATE OR LIPID
The surface area and volume for four cells are given. Which combination of cell dimensions would be considered the MOST metabolically favorable?
A. cell 1: surface area 14 mm^2, volume 33 mm^3
B. cell 2: surface area 20 mm^2, volume 12 mm^3
C. cell 3: surface area 7 mm^2, volume 17 mm^3
D. cell 4: surface area 5 mm^2, volume 2 mm^3
Answer:
D
Explanation:
This is because a bad ratio would be one where the volume is larger than the surface area. Once a cell's volume is larger than the surface area, there's not enough surface area to process all the products coming in and waste coming out. Ideally, you'd want a surface area and volume to be as close to each other as possible in number, but you'd rather have the volume be less than the surface area.
Compare and contrast the random sampling and mark and recapture methods of
estimating population sizes. Describe a situation in which each method would
work best and why. Justify your answer.
Explanation:
jennjjj+ii8iiiiiiiuiiiiiiiu
Random sampling and mark and recapture methods are both commonly used to estimate population sizes, but they have different strengths and weaknesses.
What is random sampling?Random sampling involves selecting a random sample of individuals from a population and using that sample to make inferences about the population as a whole. This method is typically used when the population is large and diverse, and it is difficult to observe or count all individuals. Random sampling is also useful when the population is not easily marked or tagged, as it does not rely on the use of markers.
On the other hand, mark and recapture methods involve marking a subset of individuals in a population, then releasing them back into the population and later re-capturing them. The number of marked individuals that are recaptured is used to estimate the population size. This method is typically used when the population is small, and it is relatively easy to observe or count all individuals. Mark and recapture methods are also useful when the population is easily marked or tagged, such as with fish or birds.
A situation in which random sampling would work best is a study of the population of deer in a large forest. The forest is too vast to observe or count all individuals, so a random sample of deer would be selected and observed to estimate the population size.
On the other hand, a situation in which mark and recapture methods would work best is a study of the population of fish in a small lake.
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Is there cytoplasm in cork cells?
no there is not so there ya go
In 1947, pilot Chuck Yeager became the first person in an airplane to fly faster than the speed of sound. He flew his plane about 12,000 meters above sea level. At that altitude, the speed of sound travels at 290 meters/second. At sea level, the speed of sound is about 340 meters/second. What conclusion can you make from this information?
A The speed of sound does not depend on altitude.
B The speed of sound depends on the type of plane flown.
C As the altitude increases, the speed of sound increases.
D As the altitude increases, the speed of sound decreases.
Which of the following is true? A b c d
Answer:
C
Explanation:
high fat diet is always bad for the body! it makes you gain weight, it makes you get heart problems, cancer, PCO(in ladies), muscle, bone, neck and back aches and most importantly, it makes your cells insulin-resistant which could cause type 2 diabetes.
if it is unclear or you need more explanation, ask freely. also if the answer was correct, please give me brainliest. I need them!
helppppppp:((((
predict whether a pot of water heated from the top would boil more quickly than a plt of water heated from the bottom. Explain your answer.
Water will boil faster when it is heated from the bottom rather than when it is heated from the top.
The boiling of water occurs due to convection currents. Heavier particles moves from upwards and travels downwards and then they are replaced by lighter particles traveling upwards. This is called convection currents.
As such, water will boil faster when it is heated from the bottom rather than when it is heated from the top.
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The sodium-potassium pump is a membrane protein that pumps sodium out of the cell and brings potassium in. It does this against the concentration gradients; in other words, it pushes both molecules from areas of low concentration to areas of already high concentration. What type of transport is this?
a.passive transport, which requires energy
b.passive transport, which does not require energy
c.active transport, which requires energy
d.active transport, which does not require energy
What does primary succession begin with
Microbes
Plants
Bare rock
Soil
Answer:
primary succession begins with bare rock
Explanation:
hope this helps :)
Which of these statements about African slaves in America is true?
A. They could meet in groups.
B. They could get an education.
о
C. They had no rights under the law.
D. All of the above
Answer: C.
Explanation:
Slaves did not have any rights
The statements about African slaves in America are true: they had no rights under the law, which is option C, as the African slaves in America were denied basic human rights and were treated as property rather than as human beings.
What are African slaves?The enslavement of Africans in America is a dark and painful chapter in the history of the United States. Beginning in the early 17th century, millions of Africans were forcibly brought to America and sold into slavery, where they were subjected to a lifetime of bondage, exploitation, and abuse. Under the system of slavery that existed in America, slaves had no legal rights and were not recognized as human beings under the law.
Hence, the statements about African slaves in America are true because they had no rights under the law, which is option C.
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20 points Please helppppppp!!!!!!!!!!!!!! If oxygen atoms are in low concentration outside of a cell, but the cell requires more oxygen, how will the cell move the oxygen inside the membrane?
Answer:
Simple Diffusion across the Cell (Plasma) Membrane. The structure of the lipid bilayer allows small, uncharged substances such as oxygen and carbon dioxide, and hydrophobic molecules such as lipids, to pass through the cell membrane, down their concentration gradient, by simple diffusion.
Explanation:
Roots____.
soak up water from the soil
hold the plant in the ground
store food and water
all of the above
All of the above!
Im 100% sure this is correct :)
Which is one piece of information that astronomers use to calculate the age of the universe?
dark energy
the age of rocks on Earth
the current motion of inner planets
patterns of background radiation
Answer:
d
Explanation:
The patterns of background radiation are information that astronomers use to calculate the age of the universe. Therefore, the correct statement is option D.
What is CMB radiation?Big Bang theory gives evidence about cosmic microwave background radiation that filled the early universe. The CMB radiation has uniformity in all directions, but it has slight temperature variations.
These variations are the result of small fluctuations in the density of matter in the early universe, which results in the formation of galaxies and other structures.
The patterns of these temperature variations are studied and astronomers learn about the properties of the early universe to make calculations about the age. They can use CMB radiation for estimation of the amount of time passed since the universe began expanding rapidly in the aftermath of the Big Bang.
Therefore, the patterns of background radiation provide very important information from which astronomers can calculate the age of the universe which is estimated to be about 13.8 billion years old.
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Which of these is describing a Eutrophic Lake?
A Mucky Water
B Cold Water
C Low Biodiversity
D Rocky Bottomed
Plz answer
Answer:
Mucky Water
Explanation:
I'm in high school Aquatics and I had this question popped up
For question 6 only :)
Answer:
B
Explanation:
Producers are organisms that create food from inorganic matter. The best examples of producers are plants, lichens and algae, which convert water, sunlight and carbon dioxide into carbohydrates. Consumers are organisms that cannot create their food. I think hehe
What is the difference between a food chain and a food web?
Answer:
Food chain: only shows the common sequence from producer to one tertiary consumer. Basically it only shows one sequence in which energy is distributed among the animals and plant life.
food web: provides a broader spectrum on the distribution of energy among the ecosystem of that terrain.
Which table correctly identifies the four most abundant elements in biomolecules
Answer:
are hydrogen, oxygen, nitrogen, and carbon,
Explanation:
which together make up over 99% of the mass of most cells. They are the lightest elements capable of forming one, two, three, and four bonds, respectively
The four most abundant elements in biomolecules are hydrogen, oxygen, nitrogen, and carbon,
What are different types of biomolecules ?The basic building blocks of the living organism are called as biomolecules which are Carbohydrates, Proteins, Fats, Nucleic Acids which make the components of a living cell.
Carbohydrates are polyhydroxy aldehydes or ketones collectively called as saccharides, it can be monosaccharide, oligosaccharide and polysaccharides based on the number of sugars in it.
Proteins are polymers of amino acids where number of amino acids are joined by peptide bond to form polypeptide chain which further converted into protein and it can be classified as primary, secondary, tertiary and quaternary protein.
Nucleic acids are up nitrogenous base, sugar and phosphate; It can be up two types namely, deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).
The nucleic acid carries the genetic information which is transferred from parent to next generation and proteins which express the genetic character by processes of transcription and translation.
Lipids are organic insoluble fat like substance, soluble in organic solvents like oil, they include sterols, fat-soluble vitamins, mono-, di- or triglycerides, phospholipids, etc.
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Why do we cut the celery stem under water
Answer:
Hey! Neko here!
Explanation:
That new empty space inside the leaves creates a low pressure, and like a drinking straw, this low pressure allows water below the leaf to travel up the stem. You’ll see the little tubes the water travels up when you cut the celery stem, and you can see the colour up in the leaves.
hope this helps ig! <3
We cut the celery stem under water to see the color change in the stem due to movement of water through the process of transpiration in the cell.
What is Celery stem?Celery stalks or stems are the petioles of the compound leaves. They are not the stems, in spite of the widespread misrepresentation in elementary school lesson plans only. They may also look like the stems to some people because they are thick and fleshy due to accumulation and have prominent veins which are running lengthwise through them.
When we cut the little tubes or celery stem under water travels up when and we can see the color up in the leaves. This process is called as transpiration. The new empty space which is present inside the leaves creates a low pressure, and just like a drinking straw, this low pressure allows the water below the leaf to travel up the stem.
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"list eight details that must be documented when a vaccine is given?"
While looking through a powerful microscope, you notice a type of one-celled organism you have not
seen before. Which of the following would help you classify the organism as a prokaryote or a
eukaryote?
a. Presence of a cell membrane
b. Presence of ribosomes
C. Presence of cilia or flagella
d. Presence of membrane-bound organelles
Answer:
d. Presence of membrane-bound organelles
Explanation:
Living organisms has been classified into prokaryotic or eukaryotic depending on the content of their cell. The basis of classification into prokaryote or eukaryote is the possession or not of a membrane-bound nucleus or organelle.
According to this question where a one-celled organism was seen in a miscrosope, PRESENCE OF MEMBRANE-MEMBRANE-BOUND ORGANELLES is the characteristics that will help in the classification of the organism as a PROKARYOTE OR EUKARYOTE.
Presence of membrane-bound organelles would help classify the organism
as a prokaryote or eukaryote.
Prokaryotes are defined as organism which don't have a true nucleus as a
result of the absence of the nuclear membrane. Eukaryotes on the other
hand have a true nucleus as a result of the presence of the nuclear
membrane.
When viewing a one-celled organism with a microscope, we are able to
classify the organism based on the presence or absence of a membrane-
bound organelle.
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Select the four statements that are true. Select the four statements that are true.
Based on the equation for Hardy-Weinberg equilibrium, the expected number of wolves with the FBFB genotype is 40.
Based on the equation for Hardy-Weinberg equilibrium, the expected number of wolves with the FBFB genotype is 12.
Based on the equation for Hardy-Weinberg equilibrium, the expected number of wolves with the FBFW genotype is 40.
Based on the equation for Hardy-Weinberg equilibrium, the expected number of wolves with the FBFW genotype is 96.
The population is not at Hardy-Weinberg equilibrium. The population may be evolving because the actual number of individuals with each genotype differs from the expected number of individuals with each genotype.
Answer: Based on the equation for Hardy-Weinberg equilibrium, the expected number of wolves with the FBFW genotype is 96.
Based on the equation for Hardy-Weinberg equilibrium, the expected number of wolves with the FBFB genotype is 12.
The population may be evolving because the actual number of individuals with each genotype differs from the expected number of individuals with each genotype.
The population is not at Hardy-Weinberg equilibrium.
Explanation:
The FB allele should accounts for 120 of the alleles (40 × 2 = 80 in FBFB wolves, + 40 × 1 = 40 in FBFW wolves).
the FB allele would make up 20% (120/600) of the total alleles in the population, so the value of p would be 0.2. The allele frequencies of the population must add up to one for it to be valid (what this means is p+q=1); therefore, since the value of p is 0.2, and the value of q is 0.8.
According to the Hardy-Weinberg equation, the expected frequencies of the genotypes would add up to 1.
= p2+2pq+q2
= 1
or
= 0.22+2(0.2)(0.8)+0.82
= 1
or
= 0.04+0.32+0.64
= 1
Answer:
Is this population in Hardy-Weinberg equilibrium?
✔ No
Which allele is increasing in the population?
✔ Allele C
Explanation:
Edge 22
What do you think we would see if we looked at that same portion of the sky with an even more powerful telescope that is in space?
Answer:
hi
Explanation:
more objects and closer. We can also look at more distant points in space
When we look at the same portion of the sky with an even more powerful telescope that is in space then we will be able to see faraway objects. James Webb Space Telescope is the most powerful telescope.
What is Telescope?A telescope is a device used to observe the distant objects present in space by the emission, absorption, and reflection of electromagnetic radiations.
The James Webb Space Telescope is also known as JWST or Webb telescope, which is NASA's largest and most powerful space science telescope till date. The Webb telescope is able to observe the planets at or beyond the orbit of Mars, satellites, asteroids, and Kuiper belt objects.
Many important molecules such as ice, and minerals have the strong characteristic signature at the different wavelengths Webb telescope can observe the objects. Webb telescope can also monitor the weather of planets and their moons.
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