Answer:
<h2>Methane</h2>
Explanation:
<h2>Methane is a gas that is produced as a greenhouse gas.</h2><h2>It's harmful for the environment and this gas cannot be used a biofuel.</h2>
<h2>I am sure that the answer helps ☺️❤️</h2><h2>Please mark me the brainliest if this helped</h2>
All of the above is your answer
start off by making friends, then hang with them... there’s your life. if your too antisocial,uh i’m not sure