Which is an example of primary succession? an oak growing in an abandoned field
ferns growing in a forest
a new cactus growing next to an old cactus
lichens growing on cooled lava rock

2

Explanation:

1.43 x 10^-11 j the guy commented the awnser just making sure u see it .

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.