The impact of the closing that factory will be huge on the local economy.
A compound subject for impact would have to be two words that are subjects in the beginning of the sentence and the word impact would have to be in the sentence somewhere.
What kind of sentence? The kind of sentence in which the word kind is being used. Oh, thank you. That was very kind.
Greenhouse gases have had a significant impact on the environment.
Brace for impact - we'regoing in!Please hand me that impact wrench.
"You're making a big impact in my life!" screamed Tiffany.
He is a kind person.
"You're making a big impact in my life!" screamed Tiffany.
Removing the word "very" would have no impact on the meaning of the sentence
Adverb
We are bracing ourselves for the worst.Or, begin the bracing for impact!
A sentence using the word rhubarb is, Strawberry rhubarb is my favorite kind of pie.
''How can you withstand that kind of insult?!''