Are alternative energy types renewable or nonrenewable

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures

9. the history of life on earth is recorded in