Which kinds of lenses are in a light microscope?

How important is it to have a powerful army and navy? give two reasons for your answer

Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society

Read the following: (1) liz has become more responsive to her partner's advances since a really beautiful woman moved in next door; (2) unable to accept his desire for other young men, 15-year-old juan immerses himself into his studies; (3) shauntel tells people that her coworker mary dislikes her; though if she were honest, shauntel would realize that it is actually she who dislikes mary; (4) "ben's nasty; he's disgusting," says renee; but renee secretly finds ben attractive. describe the defense mechanism he or she is using.