Answer: An enzyme is a biological catalyst that speeds chemical processes. A substrate is the substance that reacts in contact with an enzyme. Enzymes are specific when reacting with a substrate
Explanation:
The changing of water into hydrogen and oxygen gas is an example of a chemical change, A.
B because a new species adds more diversity to your ecosystem
1) are fluffy
4) form 1-1.5 miles above Earth
5) can extend up to 10 miles into the sky.
