Answer this I hope you can see it

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

What must occur for air masses to form fronts

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