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Charles wants to take out a 5 year loan on a car that costs $15,000. He is trying to make a rough
estimate to decide if he can afford to make the payments. He can afford to pay up to $200 per
month, and he thinks this will be ok. Is his estimate reasonable? Explain.
Cleavage
Cleavage in geology refers to the tendency of minerals to split along specific planes where the bonds are weakest, resulting in smooth, flat surfaces.
Noble Gases
A group of chemical elements with very low reactivity, including helium, neon, argon, krypton, xenon, and radon.
Periodic Table
A tabular arrangement of chemical elements, organized on the basis of their atomic numbers, electron configurations, and recurring chemical properties.
Rock-forming Minerals
Minerals that make up a significant part of the Earth’s crust, playing a key role in the formation of rocks.
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