Which statement below best explains why several fossils of sea organisms were discovered buried deep in an area of dry land? The fossils changed locations.
O The area had a shift in climate.
O The land was once underwater.
O A glacier once covered the area.

the atomic number will stay the same no matter how many electrons it has, so it doesn’t decrease nor increase. it’ll only change with a different number of protons

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explanation:

answer:

the reaction is type of combination reaction.

explanation:

on the product side, there are 2 molecules of bonded to fe   which means one atom of fe are combined two molecules of . so, balanced chemical equation becomes :

this reaction follows the reaction type of combination reaction. a combination reaction is defined as chemical reaction in which reactants combines together to form a single product.

it takes on an electronical energy