Q: What is an alloy of both tin and copper? Choices: - Cobalt - silver - Aluminium - bronze A:
bronze
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Q: When represented by a single letter dominant alleles are represented by what case letter? Choices: - mixed letters - numeral - lowercase - uppercase A:
uppercase
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Q: Each nitrogenous base has one or two rings that include which atoms? Choices: - oxygen - hydrogen - carbon - nitrogen A:
nitrogen
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Q: The actinides are all what type of elements? Choices: - large - nuclear - multiple - radioactive A:
radioactive
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