Directly smelling any chemicals is the answer.
1-f 2-t 3-t 4-t 5-t teh answers ive got so far
Enzymes are essential for healthy digestion and is needed for energy. Two things that affect Enzyme function are pH levels and temperature levels.
Answer:
Plants, animals and bacteria need nitrogen to help them grow. Thanks to the nitrogen cycle, nitrogen gas in the atmosphere gets converted to a form they can use
Explanation: