Write a balanced chemical equation of combination which is carried out by the heat

the answer is alpha particles hope i you

i believe you are right for all except the 3rd ( look at sqdancefan his answer is much better)

the earth would become to overheated and everything alive on it will eventually die from overheating. plants will eventually die as well, water will evaporate, and it will be nothing but a hot planet without anything living on it.

frequency, z, and the collision density, z, in carbon dioxide (co2), r 180 pm at 30 °c and 120 kpa