The answer is b. Our body is made up of water and so we need to refresh our body from time to time by bringing more water in. The water in the air also helps us get oxygen. Plants take the water and sunlight to do photosynthesis which creates oxygen so we can breathe
An increase in labeled carbon in fungi
Fungi receive carbon from the plant, while the plant receives phosphorus and nitrogen from the fungi
If the weather gets too cold, the plants the deer eat can die causing the deer to starve to death and lower the population of the species.
