The Columbia River estuary received its most significant ecological damage from which of the following sources?
A) dikes erected by farmers to prevent flooding
B) dredging of the river to accommodate boat traffic
C) hydroelectric dams
D) pollution due to soil erosion from logging
E) poor farming practices
Correct Answer:
Verified
Q42: The type of circulation pattern found in
Q43: Bioremediation has been particularly effective in marine
Q44: The percentage of the original area of
Q45: All of the following are examples of
Q46: Reasons for the loss of coastal wetlands
Q48: Coastal wetlands are characterized by:
A)high levels of
Q49: Estuarine circulation associated with a deep, high
Q50: Minamata disease is associated with:
A)dinoflagellates in tropical
Q51: When less saline water enters a marginal
Q52: An example of a bar-built estuary is:
A)Aleutian
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents