Understand the reading better
Answer:Argo, the system of television cameras and sonars that helped find the Titanic, was named by Titanic expedition leader Robert Ballard for the mythical Greek vessel that carried Jason on his quest for the Golden Fleece. In 1985, Argo represented a new generation of exploration vehicles for ocean scientists.
Explanation:
Answer:
Coal and oil are fossil fuels.
Explanation:
Wind is usable as renewable energy. Coal and oil were formed long, long ago and we will run out of them eventually.
The commas must be placed both before and after the nonessential element. For example...
My mom, who hates cooking, ordered takeout.
"who hates cooking" is the nonessential element, and you can see that a comma goes before and after it.