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Oksana_A [137]
3 years ago
11

I don't know what this is can you help me ??

Chemistry
1 answer:
lozanna [386]3 years ago
4 0
Its asking u when people found rocks from the moon how did the rock show the past like if  u found a dinosaur bone u know have scientist said the lived 3 million years ago  and how it looked
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Why is not used at nuclear plant as a soverce for electrical energy
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Another reason is they cause a small amount of green gas emission. Releases CO2 to the sky. They exhibit radioactive gas emission as well (causes cancer) .
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F. fluorite scratches limestone and gypsum
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