Author Question: Many areas now have ________ plantations, in which trees are planted and harvested as crops (much as ... (Read 168 times)

jhjkgdfhk · **on:** Jul 14, 2018

Many areas now have ________ plantations, in which trees are planted and harvested as crops (much as we do in agriculture), although on cycles of a few decades rather than just a single year.

A) crop rotation
B) harvestable crop
C) sustained yield
D) yield management
E) partial extraction

Question 2

Worldwide, perhaps 15,000 square miles of ________ have been cleared annually in recent years.

A) agricultural fields
B) tropical and temperate forests
C) prime oilfields
D) tropical savanna
E) tropical rain forest