Answer:
Pretty sure its E sorry if I'm wrong I learned this like 2 years aho
Hydroelectricity because it is a renewable resource of water usage whereas the other 3 are just different forms of nonreneable forms of energy meaning they take millions of years for us to get them back
32/36 can be simplified twice into 16/18, and then into 8/9.
Answer:√40 to be the square root of 40, and can investigate between which two whole numbers it lies. The number 40 lies between 36 and 49 hence √40 lies between 6 and 7.