Answer:
890? thats what i think...
Explanation:
sorry if im wrong, but im happy to help anyway:)
I believe it is the 'black swallower'
hope i could help :)
Zipper fracking is a new technology that produces more oil and more gas, safely and effectively, all from rock formations. Well drilling is another way, you get clean, natural gas by drilling into wells that connect into the ground. All that being said, we could also get chemical energy to be more safer, more usable, more efficient, and cleaner, if people were not careless with their work.