PLEASE HELP 3. This component of Earth's physical systems is the region on Earth that can sustain life.
O the lithosphere
O the biosphere
O the atmosphere
O the hydrosphere

The difference(s) between the grand canyon and valles marineris is/are: (a) the grand canyon was formed by water, but valles marineris was not. (a) valles marineris is much longer than the grand canyon. (c) valles marineris is much wider than the grand canyon. (d) valles marineris has large volcanoes near it. all of the above

Me plzzz what is the ratio of water than falls on land as compared to the amount that falls onto the oceans? what role do clouds play in regulating earth’s energy balance? me plzzz

People make choices about how to use resources.