The general area where a tornado is likely to form can often be predicted up to ____ days in advance
A) 3
B) 7
C) 10
D) 14
A
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Some countries limit or reduce the overall amount of pollution by letting companies negotiate, buy, sell, and trade the "right" to pollute among themselves. Such a system is based on
A) emissions trading. B) ecocapitalism. C) pollution permits. D) barter bucks. E) pollute-for-profit.
Which of the following is not an economic service provided by marine ecosystems?
a. source of animal and pet feed b. nutrient cycling c. provides harbors and transportation routes d. provides employment e. source of minerals, oil, and natural gas
What is a primary link between photosynthesis and aerobic respiration?
A. phosphorus B. sulfur C. hydrogen D. carbon E. nitrogen
________ can be defined as the probability of a harmful health impact
A) Mortality B) A hazard C) Risk D) Toxicity