When burning a campfire, how would the mass of the products of burning (ash, soot, etc.) compare to the mass of the wood and oxygen that were used during the burning? a. the masses would be different
b. the masses would be the same

the transfer of heat by electromagnetic radiation is called thermal radiation . it is usually carried out by electromagnetic waves in an energy range just below the visible spectrum, which is the infrared range.

so the answer would be radiation.

: )

answerca air mass;

c. 4.54 x 10–12 j happens to be correct