To be honest, I don't really understand what your talking about, but I think the answer is cell respiration.
Answer:
A: The sperm penetrates the egg membrane,and they fuse together.
Explanation:
Hopefully this helps!
Answer:
Nicotine
Explanation:
Smokeless tabacco may not damage your lungs but still has nicotine so it gives you the same addiction and withdraws when you try to quit.
C. Dirty hands ,is the correct answer.
PID which stands for pelvic inflammatory diseis
