Which proposals might effect the level of air pollution from motor vehicle emissions?
a. proposal #1
b. proposal #2
c. proposal #3
d. proposal #1, #2, #3

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