Ques:Q: Zeros that appear in front of all of the nonzero digits are called what? Choices: - zero sum game - significant digits - non-numbers - left-end zeros A:

Ans:left-end zeros
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Ques:Q: Which disease afflicts children who don't get enough calcium during their bone formation stage? Choices: - sids - rabies - cancer - rickets A:

Ans:rickets
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Ques:Q: The cells of the blastocyst form an inner cell mass called the what? Choices: - blastocyst - chloroplast - xerophyte - embryoblast A:

Ans:embryoblast
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Ques:Q: What kind of fibers are used to transport telephone and television signals? Choices: - touch fibers - process fibers - hair fibers - optical fibers A:

Ans:
optical fibers
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