Can someone ? i don't know the answer and i need a justification for why the correct answer is correct

Iam in desperate need of with this !

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 many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2