Which of the following is a byproduct of the chemical reactions involved in making glucose as well as necessary for animal life oxygen and fossil fuels
only oxygen
only fossil fuels
only hydrogen gas

do you have a picture?

the form of energy changes and the total energy increases0l

above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.