Answer:
AB
O
A
B
the AB blood type is created (mostly) by someone with A blood type making a baby with someone with B blood.
Explanation:
The number 42 can be the 42 number ones
Food is the most important source of chemical energy for living things. The chemical energy in food is converted, or changed, by the body into moving mechanical energy and heat energy. People have invented ways to use the chemical energy of substances to power machines.
