Help me pls

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

The gulf stream is a warm water current that flows away from the equator to northern europe. witch of these does it cause. a. crashes of warm and cool water in the ocean b.colder climates near the equator c.large waves on the cost of europe d.warm climates in northern europe

How does a large body of water, such as the ocean, influence climate?