The burning of fossil fuels releases gas into the air, the gas is called?

They mainly consist of carbon dioxide and carbon mono oxide gas

I hope this helps

gravity

explanation:

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.