Answer:
B. Carbohydrates provide energy for living things.
Explanation:
Answer:
c) Habitat isolation
Explanation:
Habitat isolation is a mechanism that prevents species from mating even if they don't have reproductive barriers. The differences in the habitat types may thus be sufficient to develop reproductive isolation between two (or more) populations
Protons and neutrons. But since the protons outweigh the neutrons. so your answer is d
