What helps keep moisture in soil and holds roots in place in very windy areas like the Great Plains?

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air

The spermists believed that: the male made the only hereditary contribution to the offspring the male and female traits were blended in the offspring the female made the only hereditary contribution to the offspring the male and the female made equal contributions to the next generation

As the earth formed, the force of gravity increased due to increased mass. what effect did this increased gravity have on the forming planet?