Where liquid water lubricates the base of a glacier, it can move by _____
a. basal sliding
b. ablation
c. basal crevassing
d. plucking
e. calving
a
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Species whose roles have a large effect on the types and abundance of other species in an ecosystem are called ___________ _____________
Fill in the blanks with correct word
What term is used to describe a species which affects the functioning of an allosteric enzyme?
A) alloster B) controller C) inhibitor D) regulator
The low-tide terrace ________.
A. is the high and dry part of the beach B. is found between high- and low-tide levels C. lies above the surf zone D. is the same as the backshore E. is part of the foreshore
Organic material in oil mostly comes from
A. plants on land. B. hydrogen rising from Earth's mantle. C. calcite that has been heated to a high-enough temperature. D. marine organisms.