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Identify one plant structure in this diagram that mainly carries out photosynthesis.
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Based on its chemical properties, identify the position of each chemical family on the periodic table.
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Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together
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Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12
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Chemistry, 23.06.2019 11:30
Which of the following is a property of nonmetals? a.nonmetals are ductile. b.nonmetals have a shiny luster. c.nonmetals have high density. d.nonmetals are nonconductors.
Answers: 1
Identify one plant structure in this diagram that mainly carries out photosynthesis....
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