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Soffía A.
Biologist
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Natural Sciences
TutorMe
Question:

What is the main source of heat energy on Earth and other planets in our solar system?

Soffía A.
Answer:

The sun

Environmental Science
TutorMe
Question:

The number one greenhouse gas emitted by human activities is:

Soffía A.
Answer:

Carbon dioxide

Biology
TutorMe
Question:

Describe the structure of the cell membrane.

Soffía A.
Answer:

The cell membrane consists of a lipid bilayer and embedded proteins.

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