Your carbon footprint is the amount of carbon dioxide released into the air because of your own energy needs. You need transport
ation, electricity, food, clothing, and other goods. Your choices can make a difference. . . . Turn off lights, TVs, [and] computers when you do not need them. Unplug! Any electronic gadget you can turn on with a remote [such as a video game or DVD player] uses power even when it is "off." –“How can I reduce my ‘carbon footprint’?” NASA Which statement summarizes the main idea of the passage? Electronic machines should be unplugged when not in use. Electronic devices use power even when they are not being used. A carbon footprint describes a person’s use of carbon dioxide. People can decrease their carbon footprints by reducing the amount of energy they use.
Drought and leaching leave some parts of Africa without much water, which leads to some portions of the area to turn into a desert, which can prove disastrous for the plants and animals that now find themselves in a completely different habitat.