C 6. A chemical equation is balanced by changing or a. chemical symbols.
C. coefficie
b. subscripts.
d. reactant
2 7. In the reaction 2H,02H2 + O2, if you start wi
how many moles of hydrogen gas are produced
a. 1 mol
c. 3 mol
b. 2 mol
d. 4 mol
8. In the reaction H2S + 202 + H2SO4, the law of
predicts that for
CIT

c- cold periods in earth's history during which glaciers covered much of the surface.

explanation:

28528289 29823282 8298232 39858

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.

: )