Answer: He found a rock, and the crystals inside are minerals.
Options:
- He found a rock, and the crystals inside are minerals.
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He found a mineral, and the crystals inside are rocks.
- He found a rock, and the crystals inside are rocks, too.
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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.
I am pretty sure the awnser is B the collapse of communism
Answer:
Places of lower salinity
Explanation:
Places of lower salinity
The ocean around Antarctica has a low salinity of just below 34ppt, and around the Arctic it is down to 30ppt in places.
So your answer choice would be the second one (B).
The cold Arctic Ocean.
