Author Question: The key factor in ecological transformation between 1900 and 2000 was __________. A) population ... (Read 67 times)

Zoey63294 · **on:** Sep 21, 2019

Question 1

The growth of the U.S. economy in the twentieth century depended on __________.

A) the colonization of much of Asia and Africa
B) low population growth rates
C) the consumption of ever-increasing amounts of energy
D) the creation of a perpetual state of war

Question 2

Between 1900 and 2015, the population of the United States __________.

A) declined by 20 percent
B) doubled
C) quadrupled
D) increased tenfold

Question 3

Over the course of the twentieth century, commercial logging eliminated all but __________. percent of the old-growth forests in the United States.

A) 3
B) 11
C) 19
D) 24

Question 4

The key factor in ecological transformation between 1900 and 2000 was __________.

A) population growth
B) rising sea levels
C) a mini ice age
D) genetic mutation