Answer:
Chemical bonds
Explanation:
the chemicals in your food are what give you energy when they break down, that's how it releases energy Into your body.
They have the same extensive properties because the sample contains the same amount of matter. They do not have the same intensive properties because they do not have the same composition or type of matter.
Answer:
b
Explanation:
b/c proton + neutron=mass number and
mass number - proton= neutron
I think the answer is that is lights up?