C. It requires active transport because the use of energy is necessary, the natural and opposite flow to this, would be from high to low concentration that requires little to no energy (i.e passive diffusion).
The correct answer should be constructive forces.
<span>According
to the theory of plate tectonics, volcanism, mountain building, and
other constructive forces receive energy from Earth’s interior, where constructive means that they influence the lithosphere.</span>
Answer: Most rocks do not contain organic material-most fossils are not organic anymore. One of the most common isotopes used in radiometric dating is uranium-235 or U-235. ... This makes it useful for dating rocks that are very old. Radioactive isotopes with short half-lives cannot be used for dating old rocks.
not 100% sure :/
They can help people by making maps for countries so then they know where things are
