Sustainable forest management ________
A) is the most effective way to harvest all trees in a given location
B) includes even-aged management
C) is the most efficient, cheapest harvesting method
D) is the most efficient way to harvest valuable small timber without disturbing the larger early successional trees
E) includes varied uneven-aged management approaches
E
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Which of the following factors control how minerals weather?
A) The strength of the chemical bonds in the mineral B) What type of mineral is present C) The temperature at which the original minerals formed D) Whether a mineral typically crystallizes early or late in Bowen's reaction series E) All of these are correct.
Which of the following best compares MSW in low-income nations to high-income nations?
A) Low income nations have much more paper in MSW. B) The MSW of high-income nations contains more than 50% organic material. C) The MSW of high-income nations has more paper and less organics than that of low-income nations. D) Proportions of the various categories of MSW are about the same.
Earth moves around the sun in a perfectly circular orbit
Indicate whether the statement is true or false
Which of the following natural gasses is most common in gas hydrates from under the ocean floor?
A) Carbon dioxide B) Ethane C) Hydrogen sulfide D) Methane E) Propane