Greenhouse gases have had a significant impact on the environment.
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.
Yes correct.
Brace for impact - we'regoing in!Please hand me that impact wrench.
We share their plan through tv screens, and their ravages impact our emotional and economic health.
The impact of the closing that factory will be huge on the local economy.
"You're making a big impact in my life!" screamed Tiffany.
The meteoroid collided with a devastating impact.
She has a retentive memory, able to remember even the smallest details of past events.
use it by saying- how can you use the word ebullient in a sentence?
You might mean: impacts impact apex impass Could you use it in a sentence you heard, or clarify which word you want to know about?
"You're making a big impact in my life!" screamed Tiffany.
Can you use the word concluding in a sentence? Done.