Select the correct answer from each drop-down menu. Which transitions show the correct relationships?
Global Warming and Its Causes
Global warming is a result of an increase in greenhouse gases. Greenhouse gases are released into the atmosphere
deforestation and combustion of fossil fuels.
Deforestation is a major contributor to global warming. Forests help to maintain the levels of oxygen in the air that make it possible
for us to survive.
, there has been a surge in the levels of carbon dioxide in the air
the depletion of vast
stretches of forests.
other factors, such as the release of CFCs from refrigerators and pollutants from industries into the
atmosphere, are also responsible for global warming,