Answer:a
Explanation:
Which type of vessel carry needed materials including gases and nutrients around to body? TWO(2)
What does a scientist need to know to figure out the relative age of a rock layer?
A. the age of the layers above and below the rock
B. the age of the fossils of the top layer
C. the rate of decay for all elements in the rock
D. the radioactive element in the rock
The rate of decay C
To establish the age of a rock or a fossil, researchers use some type of clock to determine the date it was formed. Geologists commonly use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon, as reliable clocks to date ancient events.
Answer:
A is the answer, this is because deposition has been happening on earth for ages so as time goes by more deposits form layers on earth, including the remains of animals and plants that would later become fossils.
I NEED ASAP
In this model of the rock cycle, A represents ____
rock and B represents the process of _____
Answer:
B is sediment, and A is metamorphic, may i have brainliest
Explanation:
MODELING EARTHS TILT - Edge
Type several paragraphs describing how your models showed the effect of the rotation of Earth on day and night and the effect of Earth's tilt on seasons and regional climates.
Answer: When watching the stars at night, they do appear to move very slowly. This is because the Earth is constantly moving. The Earth completes one “rotation” every twenty-four hours. A rotation is when the planet spins around once. The Earth rotates counterclockwise; this is why the Sun “rises” in the East and “sets” in the West. It is not the Sun’s movement that causes days, but rather the Earth turning around in front of the Sun.
The Earth’s axis (the point at which it rotates around, for example, if you were to spin around while standing in one spot, your axis would be an imaginary line running through your head straight down to your feet) is in line with a star named “Polaris”. Polaris is also known as the “North Star” since it is directly above the Earth’s axis.
Since this star is directly above the Earth’s axis, it does not appear to move, however, the rest of the stars in the sky move around Polaris (for example: when you spin around, the object directly above your head does not appear to move but everything else seems to spin around that object). Polaris is only seen in the Northern hemisphere and it belongs to the Little Dipper constellation (it’s the last star at the end of the “handle”). Another type of motion is known as “revolution”. Revolution is when one object completes a circular path around another object. The Earth takes 365.24 days to revolve around the Sun. This is why a year is 365 days long. During the year the Earth is angled differently towards the Sun. These changing angles provide us with different Sun intensities and therefore we get four different seasons. Since the Earth is at different positions in space over the year, we see different constellations throughout the year.
The model of the globe shows how the earth rotates on its axis and thus creates the effect of rotation hence seasons are the product of the rotational motion.
What is the rotation of the earth?The rotation of the earth takes place once every 24 hours and is in respect to the sun's orbit. Earth rotates in a seemly slow motion and spins on its axis.
The planet thus has night and day and rotational main leads to the different season as earth time counterclockwise the corlis force starts into motion and set the direction of north and south winds.
The effect of rotation varies depending on the tilt of the earth which is 23.5 degrees. Hence the region further in poles receives less sunlight than those on the equator.
Find out more information about the earth's rotation.
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A weather map shows two areas with a big difference in air pressures. The high air pressure area is to the south, and the low air pressure area is to the north. What do you predict will happen?
A) A breeze will blow between north and south.
B) Strong winds will blow from north to south.
C) Strong winds will blow from south to north.
D) Winds will blow back and forth between north and south.
Answer:
D
Explanation:
The air pressure will try to sway from left to right logically these to forces will be fighting so it would blow back and forth from north to south, hope this helps.
This one should be easy. Good Luck :(
Which of the following statements is true of radiation but not of convection or conduction?
A. It can occur beneath Earth's surface.
B. It can occur beyond Earth's atmosphere.
C. It can cause a liquid to get warmer.
D. It can cause a solid to get warmer.
A friend claims her pet ferret is descended from the wild polecat. You want to learn more about this ferret ancestor. An online search shows several different kinds of polecats. How could you figure out which one is the ferret ancestor?
Answer:
So I just have to search it and it will work
Explanation:
TYSM
Right now, it is Winter for us in the Northern Hemisphere. What season is it in Austrailia (a country in the Southern Hemisphere) ?
a
Winter
b
Summer
Answer:
b) summer
Explanation:
The meteorological seasons in the Southern Hemisphere are also opposite to those in the Northern Hemisphere: spring starts September 1 and ends November 30; summer starts December 1 and ends February 28 (February 29 in a Leap Year); fall (autumn) starts March 1 and ends May 31
Answer:
B
Explanation:
the seasons are always differ by 6 months
The biggest mountain range in the world is found under the Atlantic Ocean and is called the MidAtlantic Ridge. New crust is found along the ridge. The mid Atlantic ridge is along a divergent boundary where plates are moving ______________________
Answer:
The blank is "apart."
Explanation:
Mid-ocean ridges are geologically important because they occur along the kind of plate boundary where a new ocean floor is created as the plates spread apart. Thus the mid-ocean ridge is also known as a "spreading center" or a "divergent plate boundary." The plates spread apart at rates of 1 cm to 20 cm per year.
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What causes the sun to look like it is rising in the east and setting in the west? It also causes day and night
a
Sun's rotation
b
Earth's revolution
c
Earth's rotation
Earth revolution is the causes the sun to look like it is rising in the east and setting in west
Predict: Fill in the blanks with the word or phrase you think correctly completes the following sentences.
1.) A medical researcher might study DNA in order to learn ___
2.) A crime scene investigator might study DNA in order to learn ___
Answer:
1. vitro synthesis of DNA, a researcher used 2', 3'-dideoxy cytidine triphosphate as raw nucelotide in place of 2' -deoxy cytidine.
2.The identity of the person belonging to said DNA. ... Also so they could find out who is the murder, thief or someone who did the crime but it would it would be sent to a lad re-searcher person to do the actual work to find out who did the crime.
Explanation:
Answer:
To also see if genetics play a part in other things like certain diseases etc that can be genetically caused.
2) The identity of the person belonging to said DNA. Although in actuality, the lab tech is the person who performs this task.
Why are monarch butterflies poisonous?
How do predators know they are poisonous?
How does a monarch's coloration help both the butterfly and the predator?
Answer:
Explanation:
The milkweed plant also has high concentrations of cardiac glycosides in its sap. ... In addition, the caterpillar of the monarch butterfly dines exclusively on the sap of the milkweed plant, rendering both the caterpillar and butterfly mildly toxic as well.
Predators know that monarch butterflies are poisonous because of their bright coloration, which acts as a warning that they are poisonous.
This coloration warns potential predators that the animal contains poisonous chemicals. Warning coloration may work particularly well in adult butterflies because the hard body and wings allows a predator to bite the adult, taste the poison, and release the butterfly without killing it.
How are hail and snow similar?
A) They are solid precipitation that forms in clouds at or below freezing temperatures.
B) They are liquid precipitation that forms at or above freezing temperatures.
C) They fall when there are cirrus clouds in the sky.
D) They require gusts of wind that move the frozen chunks around and cause them to grow larger.
Science
Answer:
A) They are solid precipitation that forms in clouds at or below freezing temperatures.
Explanation:
what tells you what genes you might have?
What causes the water droplets to form on a glass window?
A) Air with low humidity warms up as it touches the glass.
B) The air absorbs more water vapor when it touches the glass.
C) Air with high humidity cools down as it touches the glass.
D) The humidity of the air increases when it touches the glass.
Answer:B
Explanation:
The air absorbs more water vapor when it touches the glass.
Answer:
B) The air absorbs more water vapor when it touches the glass.
Explanation:
So it basically builds up until a droplet is formed!
Here you go! Good Luck.
Answer:
The direction the blood takes through the circulatory system is important because it makes sure that the nutrients and blood gets to every organ and vein in our body. the direction the blood flows is this. Systemic circulation carries oxygenated blood from the left ventricle, through the arteries, to the capillaries in the tissues of the body. From the tissue capillaries, the deoxygenated blood returns through a system of veins to the right atrium of the heart. so we can be the living breathing people we are today.
Explanation:
Brainliest plz
When a wave in the ocean travels toward the beach, why does a floating seagull not get pulled with it?
A: The seagull is too heavy
B: The water Molecules don't travel with the wave toward the beach
C: the water is too dense
D: It is a longitudinal wave
Answer:
maybe do B, not all of the same water molecules travel with the same wave
Explanation:
Please help me! Timed! PLSSS
Answer:
B
Explanation:
Answer:
B
Explanation:
Hope that helped
What role does DNA play in understanding homologous structures, and how is it used to support the Theory of evolution?
DNA enables researchers to pinpoint the alterations that took place to produce homologous structures. This is so because DNA controls the characteristics of the proteins an organism produces and how these proteins are used. The biology of an organism is subsequently affected by these proteins.
What are homologous structures?
A link between structures or DNA descended from a common ancestor is known as homology, which shows derivation from that ancestor.
Structures that are analogous are ones that were not present in the last common ancestor yet are physically (but not genetically) comparable.
Partial homology is also possible; novel structures can arise by combining various developmental routes.
Homoplasy, which is further broken down into parallelism, reversal, and convergence, is another name for analogy.
Therefore, researchers can identify the changes that occurred to form homologous structures using DNA. This is true because DNA regulates both the properties of the proteins that an organism generates and their functions. These proteins consequently impact an organism's biochemistry.
Read more about homologous structures, here
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Scientific modelling is a scientific activity, the aim of which is to make a particular part or feature of the world easier to understand, define, quantify, visualize, or simulate by referencing it to existing and usually commonly accepted knowledge.
Can anyone reword this? Please
The graph shows the population of alligators and mosquitoes in a pond ecosystem where cricket frogs live. How will this impact the population of cricket frogs over time?
Decreases because the number of predators increases
Increases because the number of predators increases
Decreases because the number of prey decreases
Increases because the number of prey decreases
help asap please and thank you
According to the article, what was one problem caused by the fact that some people think vultures are ugly and disgusting?
A. Scientists have to work hard to convince people that medicines made from vulture parts actually work.
B. Conservationists have to work hard to convince the public to care about endangered vulture species.
C. Scientists have been hesitant to spend much time studying various vulture species.
D. Conservationists have been hesitant to spend money setting up a vulture conservancy
which layer of Earth has the most mass? A*the crust B the mantle C the inner core D the outer core
Answer: the mantle B
Explanation: Largest layer resulting in biggest mass.
An ecosystem has ________________________ when it has a large variety of organisms and has enough resources to support those organisms.
Answer:
Biodiversity
Explanation:
Biodiversity refers to the variety of living species on Earth, including plants, animals, bacteria, and fungi.
Hope this helps you :)
What are two climate feedback mechanisms that are taking place on or around the Antarctic ice shelf?
physical change
A. the process in which new substances are formed during a chemical change
B. a change in matter that results in a change in the identity of matter
C. a combination of two or more substances
D. a change in matter that does not result in a change in the type of matter
Answer:
Im pretty sure its D or A
A physical change is a type of change in which the form of matter is altered but one substance is not transformed into another.
Answer:
D.
Explanation:
If it is just a physical change then we can instantly cross out B. and A. as they say in there that they become a new substance and that is not just a physical change. C. is not correct because they combine and there for make a new substance. That leaves D. which makes sense because a physical change would be a change in its size or something that doesn't change the material, this is like when you break a rock, it is now in pieces and smaller but it is still the same rock therefor it is a physical change.
Energy and matter cycle through a beach ecosystem on the Gulf of Mexico. Identify one kind of model you can use to show the path of energy and matter through this ecosystem. Describe one limitation and one benefit of using that kind of model to show those processes.
(Please I'm in a hurry this is due today) 20 POINTS
Needs at leat 5 sentences.
One kind of model that I can use to show the path of energy and matter through this ecosystem is
Food chain; shows a single pathway of energy flowing, making it easy to see which organisms are primary, secondary and tertiary consumers.According to the question, we are to discuss kind of model you can use to show the path of energy and matter through this ecosystem.
As a result of this, we can see that food chain can serve this purpose because it gives a linear sequence of energy transfer and allows to determine organisms that falls into different types of consumers.
Therefore, food chain is a model which shows a single pathway of energy flowing.
CHECK THE COMPLETE QUESTION BELOW;
Energy and matter cycle through a beach ecosystem on the Gulf of Mexico. Identify one kind of model you can use to show the path of energy and matter through this ecosystem. Describe one benefit of using that kind of model to show those processes.
Food web; shows energy available at each trophic level for the next group of organisms
Energy pyramid; show all pathways of energy flow in an ecosystem
Food chain; shows a single pathway of energy flowing, making it easy to see which organisms are primary, secondary and tertiary consumers
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2. When populations are separated into different environments..... *
O Natural selection evolves differences in their body structures.
They immediately develop large differences in structures.
They experience stability over very long periods of time.
They still communicate to go over their differences and how to adapt.
Answer:
MY NAME IS JEFF
Explanation:
When populations are separated into different environments, natural selection can lead to the evolution of differences in their body structures over time. This process is known as divergent evolution, and it occurs when populations that were once similar become increasingly different as they adapt to their respective environments.
What is the explainer to the question asked ?
Over time, populations may develop large differences in their structures as they evolve to better fit their respective environments. For example, if one population lives in a forest environment with lots of trees and vegetation, it may evolve longer limbs and more flexible joints to help it move through the trees.
In contrast, a population living in a grassland environment may evolve shorter limbs and a more compact body shape to help it move quickly across open ground.
While populations may experience stability over long periods of time, this is not always the case. Changes in the environment, such as shifts in climate or the introduction of new predators or competitors, can lead to further evolution and adaptation.
While populations that are separated into different environments may develop differences in their body structures, they may still communicate and exchange genetic material with each other if they come into contact again.
Therefore, This can lead to the exchange of beneficial traits and the potential for hybridization, which can create new genetic combinations and potentially new species over time.
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