Answer:
B.) Diffusion
Explanation:
Since this is oxygen, not water, and it is going from an area of high concentration to low, it is moving with its concentration gradient, it would be diffusion. If it were water, not oxygen, then it would be osmosis, and lastly, if it were moving from an area of low to high concentration, that would be active transport. Semipermeability is a characteristic of cell membranes, not a method of movement.
Answer: I feel that the theory of plate tectonics is correct, because we use friction every day which means friction could make vibrations larger too!
The appropriate response is Smooth muscles. Smooth muscle is found in the dividers of empty organs like your digestion tracts and stomach. They work naturally without you monitoring them. Smooth muscles are associated with many 'housekeeping' elements of the body. The strong dividers of your digestive organs contract to push nourishment through your body.
Hemp can be used to make rope textiles clothing shoes food paper bio plastic the main one for your answer would probably be pain relief
More variation assists with survival. It increases the chance that at least some offspring of a parent survive.