Answer:
Carbonization is the term for the conversion of an organic substance into carbon or a carbon-containing residue through pyrolysis or destructive distillation. It is often used in organic chemistry with reference to the generation of coal gas and coal tar from raw coal.
Answer:
the vaccine causes the immune system to produce antibodies to the virus that causes the measles
I don’t understand what u say
Answer:
so many processes requires oxygen to operate .
An example is the process of plants making their own food .