In An Inconvenient Truth, the main greenhouse gas is (1 point) Responses carbon dioxide. carbon dioxide. nitrous oxide. nitrous oxide. oxygen. oxygen. methane.

carbon dioxide

The main greenhouse gas mentioned in "An Inconvenient Truth" is carbon dioxide (CO2) and methane (CH4).

To find the main greenhouse gas discussed in the film "An Inconvenient Truth," you can start by investigating the concept of greenhouse gases. Greenhouse gases are substances in the Earth's atmosphere that trap heat and contribute to the greenhouse effect. There are several types of greenhouse gases, including carbon dioxide (CO2), nitrous oxide (N2O), oxygen (O2), and methane (CH4).

To determine the main greenhouse gas in the film, you need to recall the information presented. The film "An Inconvenient Truth" primarily focuses on the issue of climate change and its causes. Throughout the movie, the main greenhouse gas discussed is carbon dioxide (CO2).

Therefore, the correct answer is carbon dioxide.