Which element is a halogen?
A. chlorine (Cl)
B. oxygen (O)
C. carbon (C)
D. radon...
Answers: 3
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What are the similarities of physical and chemical change ?
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Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils. the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.
Answers: 1
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