Answer:
absence
Explanation:
anaerobic microbes grow best in an environment without oxygen because they adapted to create energy without oxygen. the answer is in the word "anaerobic" because the prefix "an-" means "without" and the suffix "aerobic" means "oxygen.
together, anaerobic means "without oxygen"
Muscular endurance is how many times can your muscle repeat the same activity before getting tired. Weight lifting is a good way to work up your muscular endurance.
Showing which foods you need to eat
The answer is B
Step by step example:
1. Eating whole foods (it is essential to keeping your gut microbiota happy)
2. Exercise
3. Good rest
4. Avoid drugs