There are approximately 4000 different minerals and each of those minerals has a unique set of physical properties. These include: color, streak, hardness<span>, </span>luster<span>, diaphaneity, specific gravity, </span>cleavage<span>, fracture, </span>magnetism<span>, </span>solubility<span> and many more. These physical properties are useful for identifying minerals.
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Since Earth rotates on it's axis every 24 hours, only about half the planet is illuminated at one time. From the Earth, on the surface it seems that the sun is moving across the sky, but this is only a illusion due to our particularly perspective.
"The sun's apparent motion across the sky from East to West is due to the..."
Answer: Earth's rotation.
C
It’s C.The Amazon River is more traveled than the Mississippi River.
