Wind, solar and geothermal power are called renewable energy sources because
a tax breaks for these sources are renewed every year
b. they are continuously replenished
C. humans can replenish these sources periodically
d. they produce few toxic byproducts
Please select the best answer from the choices provided

The arrows indicate the direction of wind flow. which place experiences monsoons?

If it turned out dinosaurs were colorblind, how would this affect some assumptions scientists have made about them?

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time