What form of energy is added to make photosynthesis happen?

What element is able to combine with itself and hydrogen to form large molecules ?

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

Most enzyme names end in the