Chemical factor
Physical factor
Climate factor
Answer:
Because the ocean reflects off of the sky so technically the sky is white but sense the sun causes the ocean to reflect onto the sky, the sky appears to be blue.
Explanation:
Earth is the only one you can live on
Answer:
A substance that speeds up a chemical reaction—without being a reactant—is called a catalyst. The catalysts for biochemical reactions that happen in living organisms are called enzymes. Enzymes are usually proteins, though some ribonucleic acid (RNA) molecules act as enzymes too.
Explanation:
enzymes don't change their own reaction. That's because they don't affect the free energy of reactants or the products.
