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Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh
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Stage in which a star’s outer layers have started to cool and grow outward?
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What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures
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In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.i
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Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh...
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