Name some renewable energy and nonrenewable energy

Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of

Ascientific idea becomes valid when it is what?