Define weathering. Breaking down of rock into sediment All of the above Deposition of small rocks or sediment Movement of small pieces of rock or sediment

Gram-negative bacteria have a cell wall that is! and does not accept the stain, making itappear

Explain why it’s important for scientists to study the sun. list at least two challenges researchers face when examining earth’s nearest star.

Adaptive radiations can be a direct consequence of four of the following five factors. selectthe exception. a) vacant ecological niches b) genetic drift c) colonization of an isolated region that contains suitable habitat and few competitor species d) evolutionary innovation e) an adaptive radiation in a group of organisms (such as plants) that another group uses as food