Ques:Q: What bonds cause water to have a high boiling point, leaving most water on earth in a liquid state rather than in a gaseous state? Choices: - potassium bonds - carbon bonds - helium bonds - hydrogen bonds A:

Ans:hydrogen bonds
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Ques:Q: A trait controlled by a single gene that has two alleles is given what name, after the scientist who studied inheritance? Choices: - darwinian trait - rosilin trait - carlinian trait - mendelian trait A:

Ans:mendelian trait
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Ques:Q: The cell theory and the theory of evolution by natural selection are basic to all fields in what branch of science? Choices: - rock science - zoology - chemistry - life science A:

Ans:life science
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Ques:Q: How many different kinds of ions are produced when sodium chloride dissociates ? Choices: - five - one - three - two A:

Ans:
two
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