Radio and cell signals are bent around objects like mountains and tall buildings. This can allow you to still have a signal, even without a straight line to the tower. This bending of waves around a barrier or through a slit is called ______.

Group of answer choices

interference

refraction

reflection

diffraction

Answer:

awnser is b

Explanation:

Answer:

well u have to wash ur hair with cold water then go a few days between washes. hope this helps

Explanation:

Answer:

Carbon compounds are chemical substances that contain carbon atoms bonded to any other element.

Explanation:

Answer:

Carbon compounds: Chemical substances that contain carbon.

Answer:

8.7 (D)

Explanation:

A weak acid (anything below 7 on a PH scale) and a strong base (anything above 7 on a PH scale). The strong base will counter act the weak acid and dominate it meaning the answer will be above 7 giving you 8.7

The correct answer is 8.7

What is pH?

pH is the measure of the acidity and basicity of a solution.

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Answer:

B

Explanation:

the fundamental unit of heredity

Answer:  b.    the fundamental unit of heredity

Explanation:

The relationship between Coral and Algae and how a problem with Algae photosynthesis caused Coral bleaching in the Great Barrier Reef happens in a way that when Coral reefs become stressed as a result of changes in condition such as the temperature, lights or nutrients,These Coral beef therefore expel the symbiotic algae living in there tissue which they have feeding relationship with, the expulsion of those algae will make them to turn to white completely.

However,warmer water temperatures can give rise to Coral bleaching.

The relationship between coral and algae is mutualism.

There is a mutualistic relationship between corals and algae because both coral and algae provides benefits to each other. The coral provides a protected habitat and raw materials which the algae need for photosynthesis. whereas the algae produce oxygen and remove waste materials from coral.

A problem with algae in the process of photosynthesis caused coral bleaching because ​warm water restrict algae from photosynthesis which leads to the death of algae which results in the coral bleaching in the Great Barrier Reef so we can conclude that the relationship between coral and algae is mutualism.

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Answer:

OPTIONS : B,C,E,F

Explanation:

The Reversion mutation in the gene that would restore the normal function of the protein :

All the options given can restore the normal function except options : A and D

For Deletion of 5 base-pairs in the region of the proline codon

      Normal sequence 5' - G | CCG | AUC | GAA | CU - 3' while the mutated sequence is : 5' - G | CCG | AUG | AAC | U - 3' . this shows that the removal of the 5 case pairs will only remove 2 amino acids restoring the normal protein in the process and not affect the C terminal of the amino acids and also the reading frame will be restored  

normal protein.

For Deletion of 2 base-pairs in the region of the proline codon

The Normal sequence 5' - G | CCG | AUC | GAA | CU - 3'  while Mutated sequence 5' - G | CCG | AUG | AAC | U - 3'

This shows that the deleted  base pair is from this codon hence removing the two base pairs will lead to  the reading frame  been restored and also the C terminal amino acids, but this will result to a protein with a less than one amino acid

Answer:

the 2 biotic factors are the plants in the corner and the 2 reindeer

The 2 abiotic factors in the image are the water and the mountains

The difference between the biotic and abiotic factors is that the biotic factors are living and the abiotic factors aren't living things.

The water gives nutrients to the reindeer.

Explanation:

Biotic factor are living things Abiotic factor are non-living things (;

Answer & explanation:

Melanism occurs due to a genetic mutation that causes the excessive and concentrated production of the black pigment, called melanin. The consequence is living beings with darkened skin or fur. There are three types of melanism.

Adaptive melanism occurs by the need to adapt to the environment, a condition that will be passed through the generations. This melanism allows animals to camouflage themselves during hunting or to hide from predators.

Industrial melanism is related to human interference, especially industrial activities, in the lives of animals (dark-colored moths are the best-known cases). Air contamination is one of the main factors for this condition.

There is also pseudo-melanism, which partially affects animals and is generally motivated by genetic mutations. In certain species, the characteristic spots and stripes appear larger and darker than usual. This type of melanism is very present in cats such as tigers, cheetahs, leopards. However, other animals can still be affected.

Answer:

its c 7 pure liquid water has a ph of 7

Answer:

A cells; B cells

Explanation:

essentially they are asking about the blood cells I believe

Answer:

I can’t see the cells you’re referring to, however, if there is a cell that is larger than the initial portrayal of the cell, that one is in a hypotonic solution.

Explanation:

Hypotonic solutions are solutions in which the ratio of solvent to solute is low. This allows more water particles to flow into the cell, thus making it appear larger.

Answer:

Perhaps most importantly, without cell division, no species would be able to reproduce—life would simply end (or would have ended a long time ago). Every human, as well as every sexually reproducing organism, begins life as a fertilized egg (embryo) or zygote.

Cell division is important after fertilization because it is necessary for growth and multiplication.

CELL DIVISION:

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Answer:

Lichens are a symbiotic relationship of algae and fungi. The fungi being a saprophyte, collects required nutrients, and gives it to its algae partner, being an autotroph, helps the whole plant by giving food.

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Answer:

Looks like the best answer would be D

Explanation:

Answer:

Hey mate,here is your answer. Hope it helps you

Holding

Explanation:

It is holding. Holding is the only option where in the shape does not change. Other options is where in some way or the other shape changes in form of bending,pressimg and hammering. Hence the correct option is B.

Answer:

Antibiotic resistance is a consequence of evolution via natural selection. The antibiotic action is an environmental pressure; those bacteria which have a mutation allowing them to survive will live on to reproduce. They will then pass this trait to their offspring, which will be a fully resistant generation.

Answer:

A. 2.

Explanation:

A water molecule consists of three atoms; an oxygen atom and (two hydrogen atoms), which are bond together like little magnets. The atoms consist of matter that has a nucleus in the centre.

Answer:

A-2

Explanation:

A water molecule consists of three atoms; an oxygen atom and two hydrogen atoms, which are bond together like little magnets. The atoms consist of matter that has a nucleus in the centre.

Hope this helps!

Answer:B

Explanation:

Answer:

The Grand View College (GVC) 2 focuses on understanding the basic components, structures, and functions of living organisms. This includes exploring the cells, macromolecules, and processes that allow an organism to have homeostasis and to obtain, use, and store energy.

Cells are the basic unit of life and have many complex components and functions. They have specialized membranes and organelles, are capable of moving, and interact with their environment to maintain homeostasis. Understanding how these components work together and the ways they communicate is essential.

Macromolecules, such as proteins and carbohydrates, are responsible for the majority of the work done by cells. A deeper understanding of macromolecules helps one understand how cells interact with the environment and how they use energy.

Energy is vital for organisms to maintain their homeostasis. This energy can come from sunlight, chemical reactions, and respiration. Understanding how these processes interact with the cell’s structure and components can help explain the role energy plays in an organism.

Homeostasis is essential for any organism to remain healthy and function properly. It is the result of a combination of factors, including the cell’s structure, components, and potential hazards in the environment. Knowing how organisms handle these factors is important to understanding their ability to maintain homeostasis.

The GVC 2 is a great way to delve deeper into biologists’ understanding of living organisms. By examining the components, structures, and processes that make up an organism, it becomes easier to understand the role they play in its ability to maintain homeostasis and use energy efficiently.

Explanation:

Answer:

organism, population, community, ecosystem, and biosphere.

Answer:

Sodium tripolyphosphate (STPP)

Explanation:

Sodium tripolyphosphate (STPP) is a compound of phosphorus that is used to manufacture detergent.

This chemical is released into the environment when detergents are used to wash dishes or in laundry.

This compound finds its way into water bodies and leads to overgrowth of algae. This is known as eutrophication.

As these algae die, decomposition of the organisms lead to a drop in oxygen level of water bodies and increase in biochemical oxygen demand. As a result of these, some aquatic species may begin to die or relocate to other water bodies.

Answer:

new moon and full moon

Explanation:

Answer:

The phases of the moon also affect tides. When the moon is at its full or new moon phase, high tides are at their highest, while low tides are lower than usual.

Explanation:

The answer is New moon

Answer:

Density of any substance or medium determine the amount of light that will be refracted.

Explanation:

Density of any substance or medium determine the amount of light that will be refracted.

The higher is the density of any medium, the higher will be the number of atom or molecules in a given medium and hence more obstruction will be produced for light. High density also causes high refractive index.  

The light usually bends away from the normal when light travels from a region of low to high density and light bends towards the normal when light travels from a region of high to low density

This question is incomplete because the options are missing; here are the options:

Which statement describes what Levi did to prepare the control group in his experiment?

A) Levi held all experimental factors constant except for fertilizer.

B) Levi did not apply any fertilizer to one of his plants.

C) Levi applied different amounts of fertilizer to three of his plants.

D) Levi measured his plants on five separate days.

The answer to this question is B. Levi did not apply any fertilizer to one of his plants.

Explanation:

In an experiment, the control group refers to the subject or subjects, in this case, the plants, that do not receive the treatment or variable tested by the researcher. This implies the control group for Levi is the plant with no fertilizer because this is the only plant that does not receive the treatment or fertilizer. Moreover, this acts as a control group because Levi can use this plant to determine if the growth of the other three plants is positively or negatively affected by the use of the fertilizer.

Answer:

Decide which image you would include in a yearbook project about Elizabeth Cady Stanton. Tell what text you would write to go with the image, and explain why you selected the image

To answer that question I said that: I would pick the second picture because it shows a close up view of just her and so it wont be confusing because the other picture had two people.

I prefer the second image of Elizabeth Candy Stanton in a yearbook project. The image determines her leadership towards the women's rights movement.

Who is Elizabeth Candy Staton?

She was an American writer and activist who was a leader of the women's rights and suffrage movement in the U.S. She formulated the agenda for women's rights that guided the struggle well.

Stanton changed the social and political landscape of the United states of America by providing rights for women and slaves.

She established the National Women's Suffrage Association (NWSA) whose main goal is to secure the vote for women and supported a variety of reforms that aimed to make women equal members of society.

The word suffrage means the right to vote Women in the United states fought for suffrage since Andrew Jackson's presidency.

I preferred the second image because it depicts the dedication of Elizabeth to provide equal rights to women as men.

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Answer:

The answer is option B.

Explanation:

It is stated that "the enzyme glyceraldehyde 3-phosphate dehydrogenase to form 1,3-bisphosphoglycerate" which indicates that the energy from the broken bonds of the glyceraldehyde 3-phosphate provides energy for the reaction to take place.

So the correct answer is option B.

I hope this helps.

Answer and Explanation:

Huntington disease is caused by a mutation in the gene that codifies for the Huntingtin protein (Htt). The mutation produces an altered form of the protein leading to the neuron´s death in certain areas of the brain.

Huntington disease characterizes for being,

• Hereditary, passing from generation to generation. To express the disease, a person must have been born with an altered gene.

• Autosomal, affecting men and women equally, because the mutated gene is located on an autosomal chromosome.

• Dominant, which means that by getting only one copy of the altered gene coming from any of the parents, the receiving person will express the disease. The mutation in the gene dominates over the normal gene copy.

• Expressed by heterozygosis. Most people affected by the disease are heterozygous, with a normal copy and a mutated copy.

An affected heterozygous person has 50% of chances to give a normal recessive allele or an altered dominant allele. When one of the progenitors is a carrier and the other one is a healthy person, the progeny have 50% of probabilities of inheriting a dominant allele expressing the HD from the affected parent.

In the exposed example, Annette probably is heterozygous, Hh, and she marries a healthy man, hh.  

Parental) Hh   x   hh

Gametes) H, h    h, h

F1) 1/2 Hh, 1/2 hh

The probability of the first child to develop HD is 50%, or 1/2

The probability of the second child to develop HD is also 50%

The probability of both children to develop HD is 1/2 x 1/2 = 1/4, or 0.25

Now, Annette´s grandpa had the disease, Hh

         Annette´s grandma did not, hh

The probability of her mother to develop HD is 50% because she could just inherit the dominant allele from her father.