The answer is biodiversity.
Answer:
Because T-cell-independent antigens do not activate helper T cells, they fail to induce B cell memory, affinity maturation, or class switching, all of which require help from T cells. They therefore mainly stimulate the production of low-affinity (but high-avidity) IgM antibodies.
Explanation:
Answer:
False
Explanation:
Plastic is very unreactive... Can't degraded easily.
A large boulder that is left behind by a glacier and a deposited among rocks of a different type is called the erratics, or erratic blocks as we normally know it. the erratic means a rock or a boulder that differs from the surrounding rock and is believed to have been brought from a distance by glacial action.
Sorry I do not know this mathematical problem