Answer:
they use to live
Explanation:
As they breath out carbon dioxide the plants take in the carbon dioxide and make air with it. Animals also use air to do their day to day things like eat.
The study of your brain and mental illnesses and understanding how the brain functions.
Answer:
D
Explanation:
Because if you look at the pattern and location of each shading you cant tell that they are the exact same. No 2 people have the same fingerprint hence that has to be from the same person.
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Experimentation to determine the temperature of stars