Match the letter with the answer A. World population doubled twice in this time frame B. The last drop in human population rates
C. Industrial Revolution 19th century D. Human population doubled during this time period The start of major population growth. 20th century. Black Death pandemic. 19th century.
This approach is utilized for restoring trees, which develop well in direct sunlight, like pine trees. It maintains the forest in a state of mid to late succession.