C- by mentioning that they can join clubs that promote recycling
The gerund in this sentence is "learning". A gerund is a verb form which is acting as a noun, in this case after the preposition "in".
Coralline algae, sponges, and other organisms contribute is a fact. All the others are opinions
hope this helps:))
Is this where u match the names with a b c d or e for their actions?
