What can be inferred from the lecture about the effects of different types of clouds on Earth's climate? A. Low, thick clouds increase ocean temperatures much more than high, thin clouds do B. The cooling effect of low, thick clouds is stronger overall than the heating effect of high, thin clouds C. The effect of low, thick clouds is understood better than the effect of high, thin clouds. D. The effect of low, thick clouds is much more variable than the effect of high, thin clouds.