Question 4 What does the waist to height ratio mean? (Choose 3 answers)

A. shows the distribution of your body fat
B. used to assess cardiovascular disease risks.
C. it indicates that you are not tall.
D. a good tool to evaluate a person's health.

Hydroelectricity provides about 7 percent of the electricity generated in the united states. (a) explain how a hydroelectric power plant converts energy stored in water into electricity. (b) identify two factors that determine the amount of electricity that can be generated by an individual hydroelectricity power plant. (c) describe the two main types of land-based hydroelectric power plants. (d) describe two economic advantages and two environmental disadvantages of hydroelectricity.