Which one of the following helps make ecosystems more stable?
A) rainfall
B) stable amounts of sunlight
C) biodiversity
D) bacteria
Correct Answer:
Verified
Q11: Agricultural chemicals,such as DDT,are so damaging to
Q12: Groundwater came to be in the ground
Q13: Air and water pollution result mainly from:
A)increased
Q14: To be a viable alternative,nuclear power facilities
Q15: A 1% drop in atmospheric ozone is
Q17: One reason industrial pollution is such a
Q18: Acid precipitation kills forest trees because it:
A)burns
Q19: Among the non-renewable resources we must protect
Q20: The hole in the ozone layer is
Q21: The greenhouse effect will probably have both
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