The hydrosphere is defined as which of the following? a).all water within the earth and on the earth. b).all water within the earth, on the earth, and in the atmosphere. c),all water on the earth and in the atmosphere. d).all water with the mantle, surface, and above the earth. e).all liquid water in the earth, on the earth, and in the atmosphere.

lysosomes contain a variety of enzymes, enabling the cell to break down various biomolecules it engulfs, including peptides, nucleic acids, carbohydrates, and lipids (lysosomal lipase). the enzymes responsible for this hydrolysis require an acidic environment for optimal activity. hope i !

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.