18. when magma cools quickly, what kind of texture or crystals does a rock have? a. coarse-grained or large crystals. b. medium-grained or medium crystals. c. fine-grained or small crystals. d. a mixture of all types of grains. e. a mixture of all types of crystals.

What's the weather like where you live?

1. crust 1 the metallic layer at the earth's center 2. inner core 3 the firm layer between the crust and the asthenosphere 3. lower mantle 2 the layer surrounding the inner core 4. asthenosphere 4 the semi-solid layer between the top layer and the upper mantle 5. upper mantle 5 the layer between the asthenosphere and lower mantle 6. top layer 6 the earth's outermost layer 7. outer core 7 the hottest part of the mantle

How many time zone are there on earth