1) A 2) B
Explanation:
Enzymes are catalyst, meaning that they could be use in several reaction and they speed up any chemical reaction rate. So knowing this, when the animal have more enzymes it will react more quickly with the food, making it digest the food more quickly.
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Just last year it was 409.8
Answer:
Freedom of choice and action
It's controversial because the best source of stem cells is a human embryo (an aborted fetus).
