What is sustained yield forestry?
What will be an ideal response?
Answer: The number of trees harvested does not exceed those replaced by new growth.
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Which of the following factors relates to explanations of climatic changes as provided by the theory of plate tectonics?
A. the position of the oceans B. the amount of CO2 and H2O removed from the atmosphere C. the paths taken by ocean winds D. mountain building
The difference between the wetland category of marsh and swamp is ________
A) that water is much deeper in a marsh B) water flows in a marsh and not in a swamp C) the dominance of herbaceous plants in swamps D) water flows in a swamp and not in a marsh E) the dominance of shrubs and trees in a swamp
Hurricanes and thunderstorms can sometimes cause rapidly rising local floods that are short-lived but high volume. These are called:
A) rapid floods. B) 100-year floods. C) surge floods. D) flash floods.
A climate is classified as "dry" if it receives less than 30 centimeters of rain annually, on average
Indicate whether the statement is true or false