Question

1. Which of these things is a greenhouse gas? A) carbon monoxide B) carbon dioxide C) oxygen D) the video doesn't say 2. Which of these ways to generate power provides a clean source of energy?[1] A) gas B) oil C) wind power D) they are all clean sources of energy 3. Which of these things can help reduce levels of carbon dioxide?[1] A) driving to work B) heating with coal instead of gas C) using public transport D) leaving your TV on standby, rather than switching it off 4. Which of these predictions about climate change does the video make?[1] A) if the planet gets warmer, then polar bears will become extinct B) if the planet gets warmer, then we can expect more floods C) if the planet gets warmer, then fuel will become less expensive D) if the planet gets warmer, then sea levels will rise 5. The word 'extinct' means? A) to become scare or rare B) in need of protection C) to become endangered D) something that has died out, and no longer exists in the video?​