Which factor may help determine the antigenicity of a virus? Choose 1
The size of the virus
B
Some of the capsomers
The internal proteins
D
The whole capsid

mammal

explanation:

the answer would be d : p

all these collisions do one thing, and that thing is explained in the last option. when dusst, rocks and ice collide, they harden and form giant layers of rocks or hard ice.

d)   to harden materials to form different parts of earth’s layers

hope it ,

bioteacher101