Which are renewable energy sources?
Check all that apply
A. Natural gas
B. Hydroelectricity
C. Wind power
D. Solar power

What is the mercury length of time for one revolution around the sun?

The current is like a stream or river in the ocean true or false

The declining axolotl population in mexico city is an example of in overcrowded cities. a. the surpassing of support capacity b. changes to natural environments and native species c. the lack of safe homes and tenured spaces d. the effects of a growing urban heat island