Many geologic processes and events are due to
a. erosion
b. deposition
c. weathering
d. plate tectonics

The answer is c) tons

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The open ocean begins at the low-tide mark and extends to the end of the continental shelf

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.

There are  advantages  to being  multicellular  rather than unicellular. these include allowing: the  organism  to be larger.