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givi [52]
3 years ago
7

He best ultraviolet observations are made with space telescopes because A. the Sun blocks most ultraviolet light from distant st

ars. B. the Earth's gravity reflects most ultraviolet light from distant stars. C. the Earth's atmosphere absorbs most ultraviolet light. D. space telescopes are closer to distant galaxies.
Chemistry
1 answer:
ankoles [38]3 years ago
7 0

Answer:

C.  The earth's atmosphere absorbs most UV light.

Explanation:

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Match the statements with the atmospheric layer they describe.
vekshin1

The correct matches are:

1. Exosphere - Temperatures reach as high as 2000 C yet it feels very cold

This is the top layer of the atmosphere. The atoms are so dispersed that despite it having very high temperature it doesn't feel like it at all.

2. Thermosphere - Particles that have enough energy can escape into space

The thermosphere is the fourth highest layer of the atmosphere. The atoms in this layer are relatively distant from one another, so the particles that have enough energy manage to escape easily into the exosphere and then the space.

3. Mesosphere - It is the coldest region of the atmosphere

The mesosphere is the third highest layer. In this layer the temperatures constantly drop, and they go down to -85 degrees, making it the coldest layer by far.

4. Stratosphere - Ninety percent ozone is in this layer

The startosphere has a separte zone in it which is dominated by only one gas, the ozone. It is called the ozone layer, the one that protects the Earth from too intense UV radiation, and in fact over 90% of this gas is locate here.

5. Troposphere - It is warm due to the heat from Earth's surface

The troposphere is the densest and lowest of the layers. It is the one that also has Greenhouse gases which manage to trap the heat that is radiated from the surface of the Earth, thus keeping this layer relatively warm.

6 0
3 years ago
Read 2 more answers
One of the many remarkable enzymes in the human body is carbonic anhydrase, which catalyzes the interconversion of carbon dioxid
natka813 [3]

Answer:

Enzyme is carbonic anhydrase

Substrate is CO_2

Turnover number is 10^{7}

Explanation:

An enzyme is used by a living organism as a catalyst to perform a specific biochemical reaction.

A substrate is a molecule upon which an enzyme acts.

Turnover number refers to the number of substrate molecules transformed by a single enzyme molecule per minute. Here, the enzyme is the rate-limiting factor.

Here,

Enzyme is carbonic anhydrase

Substrate is CO_2

Turnover number is 10^{7}

8 0
3 years ago
A solution is made by dissolving 4.8 moles of salt in 1.6L of solution. What is the molarity
goldenfox [79]

Answer:

3M

Explanation:

moles ÷ liters = molarity

4.8 ÷ 1.6 = 3M

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3 years ago
Photosynthesis is very important to us. Name 3 different types of ways you benefit from photosynthesis each day
Novay_Z [31]
Breathing as photosynthesis releases oxygen
food as photosynthesis helps the plant to grow
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3 years ago
Help asap thank u!!!!
9966 [12]
I think the answer is the last answer at the bottom
5 0
3 years ago
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