Of the following, one that is true:
A. the intensity of hurricanes is increasing each year
B. hurricanes are steadily moving northward each year
C. the number of hurricanes is increasing each year
D. the number of tornadoes is increasing each year
Answer: A
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An example of a fishing technique that is particularly disruptive is ____
A) hook and line B) bottom trawling C) fly fishing D) spear fishing
To be sustainable, the total ecological footprint of an area's population must be smaller than the ____.
A. per capita ecological footprint B. environmental degradation C. biocapacity D. natural capital E. population growth
Fire hazards are smallest in those regions with the biggest climatic differences between their wet and dry seasons.
Answer the following statement true (T) or false (F)
Which two kinds of organisms introduce energy to an ecosystem?
A. Plants and primary consumers B. Plants and algae C. Plants and animals at the very top of the food chain D. Animals in trophic levels III and IV