it is B cells produce antibodies and T cells destroy infected cells
The answer to this is C. Industry. It's the only man made factor.
Answer:
A
Explanation:
Enzymes work best within specific temperature and pH ranges, and sub-optimal conditions can cause an enzyme to lose its ability to bind to a substrate. However, extreme high temperatures can cause an enzyme to lose its shape (denature) and stop working.
I believe the answer to your question is isokinetic, isometric, and isotonic
