(Q).
Answer the following question given this paragraph: Psychoactive drugs affect the brain and influence how a person feels, thinks, or acts. They include medicines and other legal drugs as well as illegal drugs. They may stimulate or depress the central nervous system. Abuse of such drugs may lead to drug addiction, overdose, and death. Q: What substances affect the brain and influence how a person feels, thinks, or acts? Choices: - H2 blockers - primeval drugs or drugs - amphetamines - psychoactive drugs or drugs A:
(A).
psychoactive drugs or drugs

(Q).
Answer the following question given this paragraph: In an anticline, rocks arch upward. A three-dimensional anticline is a dome. Q: What is a three-dimensional anticline called? Choices: - cave - volcano - cyclone - dome A:
(A).
dome

(Q).
Answer the following question given this paragraph: Matter and energy are the most basic concepts in physical science. Watch this video about matter and energy, and then answer the questions below. Q: What are considered to be the most basic concepts in the field of physical science? Choices: - change and energy - energy and motion - force and matter - matter and energy A:
(A).
matter and energy