pick from the following.
1). rivers
2). salinity
3). nutrients
4). heat
5). compost
6). Earthworms
7). roundworms
8). Annelids
Given those answer options, answer the question: Fact 1: Changes in the pH of soil can cause plants to die. Fact 2: Compost balances the pH of soil. Given the two facts above, what balances the soil?
A:
5).