The change in seasonal temperature causes the supply of nutrients to move in a lake. which best describes the movement of nutrients? a. deposition of sediments b. erosion of sediments c. lake turnover

Which system revise and send electrical signals throughout the body

Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .

In what part of the body does the most muscle activity happen?