Answer:
It depends on the temperature under earth's surface for the land movement on the surface (for example earthquakes happen from the pressure and movement of tectonic plates). When gravity pulls down rocks inside the layers a new seafloor spreads on the surface.
Explanation:
25% due to the radius of earth and the galactic prisons of the universe
Among the given choices, the only positive effect that may be thought off with the increase in level of CO2 in the atmosphere is the increase of plant growth. Carbon dioxide is an essential compound in the photosynthesis of plants. Therefore, the answer should be letter C.