Beef or bugs?

What makes up Earth's atmosphere? everything in nature that surrounds us layers of natural gases warmth from the sun Gases are considered unnatural if they _. surround Earth like a blanket endanger wildlife or water sources on Earth are caused by human activity Cattle farming by humans can be considered harmful because _. cows produce a lot of methane gas cow farmers use dangerous equipment consuming beef is harmful Some experts say that cows can produce the same amount of methane in one day as a _. car grasshopper human Why might some people feel uncomfortable about eating insects? How might Earth be different if our atmosphere was too hot or too cold? Why?