Wich is not a source of carbon dioxide gas?

a) humans
b) factories
c) machines
d) plants

its the cell wall and the they are unique to plant

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

. ph changes the ability of them he enzyme to dissolve in water.