Answer:
D. Carbon dioxide and water vapor
Answer:
Amount of food, competition with other species, habitat space
Answer: A simile is saying something is like something else. A metaphor is often poetically saying something is something else. An analogy is saying something is like something else to make some sort of an explanatory point. You can use metaphors and similes when creating an analogy.
Explanation:
Skin cell and fertilized egg cell