A community of lichens, mosses, and a few grasses cover a field of volcanic rocks. Why will the community change over many years? O
A The community dies out, and then larger plantsreplace it.
O
B. The small plants of the community grow into larger plants.
C. The community breaks apart the rocks and allows larger plants to grow.
D
Seasonal weather causes cyclic changes in the community.

not sure if this what   you'r looking for would be percent composition

the correct answer is anaphylaxis.

anaphylaxis is a condition caused by insect bites, foods, medications, manifested by tongue swelling, shortness of breath, vomiting, low blood pressure. it sometimes may occur without an obvious reason. it is treated with epinephrine injection.other tretments include antihistamines and steroids,