Which statement is the most accurate about cold air? C. Warm air rises because it is denser.
B. Warm air sinks because it is denser.
A. Cold air rises because it is denser.
D. Cold air sinks because it is denser.

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

Which would best keep the oxygen cycle stable? a. cutting down jungles to create farmland b. eliminating parks in large cities c. dumping toxic chemicals into the ocean d. reducing the amount of deforestation d. reducing the amount of deforestation

What are the basics of the induced fit model of enzyme action?