In the past efforts to clean up oil spills have included which methods a. mopping and recapturing b. spreading detergent and soaking c. vacuuming and burning

The correct answer is C.
In the older times, any effort to deal with an oil spill in the ocean included a suction skimmer to collect the oil from the water surface and the oil was burned on site. A suction skimmer is attached to a vacuum unit or a pump and it is ideal when there is a large amount of oil to be collected. On-site burning was used to carefully get rid of the oil.

Ifound this information on google “yes. they have a mouth and brain at one end and an anus at the opposite end. what characteristics distinguish an annelid from other worms? annelids have segmented bodies and a coelem which is a tube filled with fluid and contains most of the organs.“ i hope it you

They create genetic variations