Answer:
When respiration occurs without oxygen, lactic acid is produced. Answer is A.
Skepticism, reactance, and inertia are three kinds of resistance that work in different way to limit persuasion. People can do many things to increase or to decrease their own or other people's resistance to persuasion.
No new substance is produced.
Answer:
Hitched a ride or Humans brought it and planted it.
Explanation:
