14. which of the following describes chemical weathering?
o a. acid rain dissolves minerals within a rock.
o b. plant roots expand cracks within a rock.
o c. the removal of overlying material decreases pressure on an underlying rock.
o d. salt crystals grow in the cracks and pores of a rock.

Study the diagram of a desert food chain . what would most likely happen if the kangaroo rats were killed off and removed from the food chain ?

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above

After frida stops exercising, she continues to breathe heavily. what is most likely occurring in her body? heavy breathing during exercise has produced an oxygen surplus in her muscles. this oxygen is being transported to her lungs. this is a result of aerobic respiration. heavy breathing during exercise has produced a carbon dioxide surplus in her muscles. lactate is being transported to her liver. this is a result of aerobic respiration. strenuous exercise has caused her body to be in carbon dioxide debt, and she is breathing hard while lactate is transported to the liver. this is a result of anaerobic respiration. strenuous exercise has caused her body to be in oxygen debt, and she is breathing hard while lactate is transported to the liver. this is a result of anaerobic respiration.