Which of these provides the best evidence for the plate tectonic theory?

Look at the figure above. which atmospheric layer has around 80 percent of the mass of the earth's atmosphere? (hint: it's where the clouds seen on earth are formed.) a. exosphere b. troposphere c. stratosphere d. thermosphere

The rate at which molecules water and oxygen can enter a cell is determined by the-

If animal agriculture was eliminated, how much grain would become available for human consumption?