Multiple Choice
When pesticide residues are found in such remote areas as the St. Lawrence estuary, which of the following is probably NOT responsible?
A) Bioaccumulation
B) Pesticide persistence
C) The grasshopper effect
D) Bioaccumulation and pesticide persistence
E) All of these could be responsible
Correct Answer:

Verified
Correct Answer:
Verified
Q64: Wind erosion is most likely to cause
Q65: Can an organism be resistant to a
Q66: Spaces between sand particles give sandy soil<br>A)
Q67: Relying on natural predators to control pests
Q68: Annual row crops such as _ cause
Q70: You have decided that you want to
Q71: Which of the following pesticide types is
Q72: Chlorinated hydrocarbons have _ toxicity for sensitive
Q73: Reduced tillage agricultural systems<br>A) consume less energy
Q74: An effective way to measure soil erosion