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Elena-2011 [213]
3 years ago
11

Which of the following are parts of the atmosphere? Choose all that apply

Geography
1 answer:
maria [59]3 years ago
8 0

Answer:

nitrogen gas and oxygen gas.

Explanation:

78% of earths atmosphere is made up of nitrogen and 21% is made up of oxygen.

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It is made up of rocks and minerals
Leno4ka [110]

Answer:

I’m glad you asked!

Explanation:

Yes!Lots of things are made of rocks and minerals.

5 0
3 years ago
From their redshifts, calculate the speed at which each of the galaxies is moving away from us. give your answers in km/s.
wel
The math suggests that for every parsec the rate of moving away is 71 km/s, so when two galaxies are separated by two parsecs we come to 142 km/s speed of moving away from each other. If we take the first light ever (from what is known so far) the cosmic microwave radiation, is 46 billion light-years away from us at all directions, which comes at 4,200 megaparsecs, which comes at 13.7 billion light-years, so it will come to 29,820,000 km/s. It all depends from the distance between the galaxies which is calculated by their type of colour and movement in comparison to other galaxies.
3 0
4 years ago
What way does renewable energy differ from nonrenewable energy?
Mrac [35]

Answer:Nonrenewable energy resources, like coal, nuclear, oil, and natural gas, are available in limited supplies. This is usually due to the long time it takes for them to be replenished.

Renewable resources are replenished naturally and over relatively short periods of time.

Explanation:

7 0
3 years ago
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Question 20 of 20
bearhunter [10]
I believe it’s C.

A political map shows countries in different colors which helps to understand the map better
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2 years ago
List one limitation of the law of superposition.
AVprozaik [17]

Answer:

animal interference and vegetation, as well as limestone crystallization.

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