I think the answer is naturally acquired active immunity..also depends on which disease
The second one is the answer
Mitochondria by using cellular respiration to make ATP
Answer:
The geocentric model says that the earth is at the center of the cosmos or universe, and the planets, the sun and the moon, and the stars circles around it. The early heliocentric models consider the sun as the center, and the planets revolve around the sun.
Explanation:
The answer to your question is B- introduction of non-native animal species
