Answer:
Mitochondrial DNA is useful as a molecular clock because it displays uniparental inheritance
Answer:
evaporation
Explanation:
water vapor that goes up must come down
Answer:
Enzymes are proteins that help speed up metabolism, or the chemical reactions in our bodies. They build some substances and break others down. All living things have enzymes. Our body naturally produce enzymes
Step by Step explanation:
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We base hypothesis or theories off of data or observations.