Which one of the following least represents ecosystem capital?
A) Oil and natural gas reserves buried underground
B) Prairies and forests that reduce erosion
C) Introduced species that change ecosystems
D) Natural populations of salmon in the oceans
C
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Which of the following statements describes a basic solution?
A) [H3O+] > [OH-] B) [H3O+] < [OH-] C) [H3O+] × [OH-] ? 1 × 10-14 D) [H3O+]/[OH-] = 1 × 10-14 E) [H3O+]/[OH-] = 1
The upper mantle is rigid, whereas the asthenosphere is plastic-like
Indicate whether the statement is true or false
What term is used to describe a species which affects the functioning of an allosteric enzyme?
A) alloster B) controller C) inhibitor D) regulator
An element associated with all organic compounds is _______.
A) carbon B) proton C) gold D) nitrogen E.) All organic compounds contain the element carbon.