A large petroleum spill has covered a group of animals with petroleum oil. Wich of this sustance can be used to remove the petroleum off of the animals? Carbon tetrachloride
Hydrogen chloride
Ammonia
Sodium chloride ​

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?