It’s A the immune system & lymphatic Hope this helps!
<span>It is important to determine weather the heat is coming from the bottom of the phone or from a different area because if you feel the heat is being emitted from the bottom of the phone, this is indicative of a battery overheating. If heat comes from other areas, it often means the phone itself is overheating.</span>
Decomposition - bacteria helps to decompose dead organism , it's also used in food production
