What causes ocean surface currents?
A. differences in water temp.
B. high salinity
C. wind forces
D. difference in density

Aperson who uses a computer at a desk does not have to worry about safety in the workplace. true or false

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.

Donde se encuentra el adn nuclear en un organismo eucariota?