Which statement best describes the ocean floor?

It is mostly covered with undersea mountain ranges.

It is mostly flat, with little distinguishing features.

It is varied and includes mostly undersea volcanoes and seamounts.

It is varied and includes features such as submarine canyons, atolls, and mid-ocean ridges.

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

Classify this reaction: 2al+n2-> aln.

If the concentration of phosphate in the cytosol is 2.0 mm and the concentration of phosphate in the surrounding fluid is 0.1 mm, how could the cell increase the concentration of phosphate in the cytosol? a) passive transportb) diffusionc) active transportd) osmosise) facilitated diffusion