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Elina [12.6K]
3 years ago
14

3/10

Biology
2 answers:
katen-ka-za [31]3 years ago
7 0
To answer your question:
<span>Why did Earth's early atmosphere lose its hydrogen and helium gases?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
</span>
<span>D. The gases were replaced by carbon dioxide from volcanic eruptions.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
I hope this helps!
If I made a mistake please feel free to tell me ^-^
</span>
VARVARA [1.3K]3 years ago
6 0
D is your answer
hope this helps
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name two medical technologies that have helped combat the spread of disease in cities. Explain how each technology has helped
ivanzaharov [21]

Answer:

Masks and Vaccines (RNA vaccines but normal vaccines help as well)

Explanation:

Masks: As we can tell cities that have a mask mandate have lower corona numbers

Vaccines: Vaccines give your body the antibodies that it needs to protect your body from infection without the virus. RNA vaccines are better than the normal vaccines because they are going to be produced faster than normal vaccines

3 0
3 years ago
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What's the answer to this question
Flauer [41]
The answer is C. Thermal energy is transferred to her face by radiation, and thermal energy is transferred to the bottoms of her feet by conduction. 

Conduction is a method of transferring heat by using the collision of molecules and free electrons (depending on the material). Heat is usually transferred by conduction if both objects are in contact with each other that way the molecules can collide and spread the kinetic energy thus raising their internal heat. So, since the feet and the sand are in contact, so the heat should be transferred by conduction. However, air is a very poor heat conductor, it cannot transfer heat efficiently, therefore, the first answer is not conduction. 

Radiation is a method of transferring heat too but using electromagnetic waves. It works great even in the air, or even with vacuum space. The sun shining from outer space to earth through the vacuum space is also by radiation. So, the first answer is radiation. 

The answer is C, hope it helps!
7 0
3 years ago
Why does ice cream placed in a plastic cooler melt slower than ice cream placed in a metal pot?
dmitriy555 [2]

Answer: B

Explanation:

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According to the Law of Conservation of Matter, if the reactants of photosynthesis have 18 oxygen atoms, how many oxygen atoms w
bogdanovich [222]

Answer:

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Explanation:

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Explain how the release of additional eggs is prevented during pregnancy? ​
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