This boulder is found in Wales in an area that was once covered by a glacier. When the glacier retreated it left the boulder behind. which process directly resulted in this boarder being left behind?

A. Mass wasting.
B. Erosion.
C. Weathering.
D. Deposition

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?

Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs

Achange in which factor will affect the rate of reaction only when gases are involved? temperature pressure surface area concentration