When freshwater inflows into estuaries are reduced,
A) salt water intrudes into the system.
B) freshwater species of plants and invertebrates may invade the estuary.
C) populations of native species increase.
D) freshwater enters marine ecosystems, causing loss of coastal biodiversity.
A
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common? What will be an ideal response?
The core-periphery model can be applied to which spatial scale?
A. national B. continental C. global D. state/province E. all of these
The warm sector is located: a. behind the stationary front
b. ahead of the warm front. c. ahead of the cold front. d. None of these choices.
To understand geology one must understand how the solid Earth interacts with water, air, and living organisms. For this reason, it is useful to think of Earth as being part of a ________.
A. system B. formation C. group D. trend E. hydrosphere