(Q).
Q: Hard igneous rocks and easily dissolved sedimentary rocks respond very differently to what natural force? Choices: - gravity - sunlight - evaporation - weathering A:
(A).
weathering

(Q).
Q: Steam actually consists of tiny droplets of liquid what? Choices: - lead - methane - mercury - water A:
(A).
water

(Q).
Q: What term is used to describe an immunity that occurs after exposure to an antigen either from a pathogen or a vaccination? Choices: - variation immunity - autoimmunity - herd immunity - adaptive immunity A:
(A).
adaptive immunity