Someone go to biology and press on 506987 . I really need help ! no unhelpful answers .

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

Were does condensation occur? a) hydroshereb) lithosherec) boishered) atmosphere

How are the testes and ovaries similar? a. both produce sex cells. b. both connect internal reproductive organs to the exterior. c. both transport sex cells from their site of production. d. both store mature sex cells.