Which statement describes the approximate average trend of surface ocean heat content during this time period? An increase of about 140 x 1021 joules

An increase of about 20 x 1021 joules

A decrease of about 60 x 1021 joules

A decrease of about 80 x 1021 joules

its 42

i say its d?

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

answer: 45

explanationyou have to add as well to be it could be