What are Hallucinogens and give an example of a type of Hallucinogen drug?

Which many - celled organisms are capable of causing diseases in humans

When it comes to our health and the treatment of diseases, technology has had a effect. a. very negative b. neutral c. positive d. negative

Which is not an effect of aging? secondary sex characteristics appear bones shrink and become more brittle skin becomes drier and less elastic hearing and vision become less sharp