What are two effects of the lack of gravity in astronauts? Select two answers. A. Excess if fluids in face and hands. B. compression of the back bone. C. weakness of muscles and bones. D. sleepnees. Pls help.

A and C are the correct answers. Because there is no gravity to pull fluids down, they are in your face and hands more than normal. Our bones and muscles become weaker because without gravity objects lack weight.

Ithink is a because if say increased in electronegativity

Electrical charges of ionic bonds