Building models doesn't actually help scientists observe phenomena. Scientists build models to describe how nature and systems operate then make observations to see if their models match what they observe. Models which don't match what they observe are either alterated or scrapped. Good models are kept and used by the scientific community.
B, I think. Tell me if it's correct once you submit it! (Im doing the test rn as well lol)
Both MDMA ( or Ecstasy) and PCP have recently been reclassified as recreational hallucinogenic drugs. <span>The recreational drug is a psychoactive drug that induces an altered state of consciousness. It is used for pleasure because it modifies the perceptions and feelings of the one who uses it.</span>
Answer: a person can get overly tired
a person can get sick
Explanation: