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vodka [1.7K]
4 years ago
8

What happens to the speed of light as light from the sun enters the earth's atmosphere and shines down into the oceans, and why?

Biology
2 answers:
Blizzard [7]4 years ago
8 0
The correct answer would be letter A. The light that comes from the sun would eventually speed up as it enters the earth's atmosphere, wherein the air is less dense. However, as it reaches the ocean, the speed of the air would then decrease since the ocean is a lot denser compared to air. The phenomenon is called "refraction."
frutty [35]4 years ago
6 0

The correct answer is (D)

In this question we need to compare three medium because the sunlight from space (vacuum) enters into the earth's atmosphere (denser) and then passes to water (denser) medium. The speed of light is maximum in vacuum and the speed of light slows down as it enters the earth's atmosphere because some of the energy is absorbed by the particles present in air. Then this light from air enters to water which is denser medium and the energy is absorbed by the different media by which light passes.

The phenomenon of bending of light when it enters from a rarer medium to denser medium is called refraction.

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Which of the following are potential concerns with genetic engineering?
IgorC [24]

The potential concerns with genetic engineering can be some ethical concerns, decrease genetic diversity, and not understanding the full effects of altering DNA. The correct options are 1, 3, and 4.

<h3>What is genetic engineering?</h3>

Genetic engineering (also known as genetic modification) is a process that uses laboratory-based technologies to alter an organism's DNA makeup.

This could entail changing a single base pair (A-T or C-G), deleting a region of DNA, or inserting a new segment of DNA.

The potential concerns with genetic engineering can be some ethical concerns, decrease genetic diversity, and not understanding the full effects of altering DNA.

Thus, the correct options are 1, 3, and 4.

For more details regarding genetic engineering, visit:

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8 0
2 years ago
What would be the impact of excessive deforestation on the Christmas island crab population?
Alex_Xolod [135]

The excessive deforestation on the Christmas island crab would be the reduction of population or possibly extinction.

3 0
3 years ago
Which of the following statements best represents the relationships between the light reactions and the Calvin cycle? A) The lig
schepotkina [342]

Answer:

The correct answer is E the light reaction provide ATP and NADPH to the calvin cycle,and the cycle returns ADP,pi and NADP+ to the light reactions.

Explanation:

The light reaction of photosynthesis occur in the .During light reaction ATP is produced by cyclic photo phosphorylation and NADPH is generated by the reduction of NADP+ during Z scheme.

     The ATP and reducing equivalent NADPH that is generated during light reaction is being utilized in the dark reaction.

  During dark reaction both utilized ATP and NADPH are converted to ADP,pi and NADP+.These products are used during light reaction.

  NADP+ is generated by the oxidation of NADPH and ADP and pi are produced by the hydrolysis of ATP.

8 0
4 years ago
Which statements are true regarding the cosmological principle? 1 The universe looks the same from all directions, but can chang
FromTheMoon [43]

There are two correct statements, they are:

1. The universe looks the same from all directions, but can change and evolve over time.

4. Scientists can study the universe because the cosmological principle suggests that any physical laws or processes are the same for the entire universe.

6 0
3 years ago
For this question, look at the hydrologic cycle diagram.
Mademuasel [1]
The answer is D. 4 because its after perception
7 0
3 years ago
Read 2 more answers
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