What was the environmental factor MAINLY responsible for the changes which were seen in the graph in Figure 3?

my answer

Explanation:

the sun is rusing in noon and at it's very height, carbon-dioxide levels are LOW because the more sunlight plants get, THE MORE PLANTS CONVERT SUNLIGHT WITH CARBON DIOXIDE INTO OXYGEN AND REMOVE CARBON DIOXIDE FROM ATMOSPHERE

it seems that there aren't any factors that can really support it but i would say that the percent seems to lower because of the temp change

Explanation:

answer; ////increased water pollution; ///////////////////////

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