Place the following events in sequence: A) Mineral grains are formed; B) A volcano erupts; C) Lava begins cooling

What layer of the atmosphere is directly above the troposphere?

Amixture that has two or more substances that are spread out evenly is called a. compound b. heterogeneous c. substance d. homogeneous

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