Yeast, which is used to help dough rise, and truffles, which are a delicacy to eat, are sac fungi or ascomycota
chytridiomycota
zygomycota
basidiomycota

A. radioactive dating

Processes above and be sure to mention the movement of electrons and energy as the carbon atom moves from one reaction to another.

In some developing nations the percentage of the animal protein from fish in the diet can be as high as 25 percent.  about 85% of fish caught is used for human consumption.  the remainder is converted into fishmeal and fish oil.