slope aspect, or the direction that a slope faces, can influence both vegetation and soil development. in the northern hemisphere, facing slopes have more vegetation and greater soil development because of . group of answer choices north; lower insolation, thus lower evapotranspiration and more soil moisture north; higher insolation, resulting in greater photosynthesis rates south; lower insolation, thus lower evapotranspiration and more soil moisture south; higher insolation, resulting in greater photosynthesis rates