Which of the following best explains the role of heat and pressure in the rock cycle? a. The molten rocks solidify by this process.
b. The sediments are deposited by this process.
c. They change the mineral composition of rocks.
d. They transport sediments from one place to another.

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

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