Amarathon is a race that commemorates the run made by a greek soldier, pheidippides, that took place in august 490 bc. the soldier ran 26.2 mi. how many kilometers did he run? 24.6 km41.9 km16.4 km

a. 24.6
b.41.9
c.16.4

the solar system used to have much dust particles option no d

answer: i have one answer

acids are substances that ionize (break off) in an aqueous solution to produce hydrogen (h+) ions

explanation:

hope this and sorry i could only come up with one answer!

you didnt put any of the following

a. energy is absorbed in the reaction.

if in a given reaction the energy of products is greater than the energy of reactants it means that reaction is endothermic and during the reaction, the energy is absorbed by reactants. in an endothermic reaction, the products have more stored chemical energy than the reactants. and in this reaction the reactants are more stable than products before the compounds with less energy are always more stable.