The hydrosphere can be directly affected by pollution from human wastes

Water

Explanation:

The hydrosphere can be directly affected by water pollution from human wastes.

some fungi obtain their nutrients from a living host (plant or animal) and are called most biotrophic fungi have fairly narrow host ranges—they are specialized on a limited called rhizomorphs that allow the fungus to grow from one tree to another. ascospores are formed inside a sac-like structure called an ascus. so your answer is a