The greenhouse effect is responsible for which environmental condition listed below?
clear cutting of rain forests
What will happen when the global carrying capacity for humans is reached?
animals will go extinct
humans will go extinct
humans will not continue reproducing
human populations will shrink
A landscaper sprays a lawn with a pesticide that is 96% effective. If there are around 50
grasshoppers living on the lawn before the pesticide application, how many are likely to survive
In the past 10,000 years, when did the human population experience negative growth? (Hint: look
back at Figure 11.9.)
during the Christian era
during the Industrial Revolution
during the Bubonic plague
near the Grinnell glacier
Which of the following is a fossil fuel?