How does a muscle spindle sense muscle stretch when the muscle is shortened?

Which of the following is not a technology that can be used to conserve resources? a. hydropower b. volcanic power c. natural gas d. geothermal select the best answer from the choices provided a b c d

Someone with these questions! pls 30 pts

The disease osteoporosis often results from insufficient intake of dietary calcium salts. of the three samples of bone you tested in exercise 7-2, which is the most similar to the bones in osteoporosis