Answer: He found a rock, and the crystals inside are minerals.
Options:
He found a rock, and the crystals inside are minerals.
He found a mineral, and the crystals inside are rocks.
He found a rock, and the crystals inside are rocks, too.
He found a mineral, and the crystals inside are made of dirt.
Explanation:
A rock differs from a mineral. While they are both solid, a mineral has a crystalline structure while a rock does not have a specific structure. Rocks are made up of different mineral structures and that is what Joseph discovered on dropping the rock, one of the component minerals in the rock. For example, a type of rock, slate may consist of feldspar, quartz among many other minerals.
Yes because the cool air from a near by water source migrates toward the land to take the place of the hot air rising while the air over an area of water would be warmer because it is absorbing solar energy from the sun