what you mean by which revision full most improved the expert from narrative
The <span>Present progressive </span>is used for an event that continues to occur at the present moment in time.
Answer:
Ecosystem
Explanation:
As a society, we depend on healthy ecosystems to do many things; to purify the air so we can breathe properly, sequester carbon for climate regulation, cycle nutrients so we have access to clean drinking water without costly infrastructure, and pollinate our crops so we don't go hungry
