Density in the ocean is primarily determined by:
colder water:
saltier water:

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?

Which statement best describes the role of religion and culture in ancient medicine?

What is the difference between a scientific hypotheses and a scientific theory?