Endothermic or C, if you would like a reason why, do not hestitate to ask
<span>Dalton's atomic theory proposed that all matter was composed of atoms, indivisible and indestructible building blocks. While all atoms of an element were identical, different elements had atoms of differing size and mass. Dalton also stated that all compounds were composed of combinations of these atoms in defined ratios. He postulated that chemical reactions resulted in the rearrangement of the reacting atom.
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Answer:
12,742 km
Explanation:
Therefore, its radius is 6,371 km.
