When presented with the question “Does Plant Food X have an effect on the production of tomatoes?” Develop a hypothesis to answer this question and then design a small controlled experiment to test the hypothesis.

the answer is:

carbon dioxide

i dont know it at allnow im just getting points at this pint

i won't lie i don't know so go online and ask google thats what i do

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.