Ques:Q: Zeros that appear in front of all of the nonzero digits are called what? Read this paragraph and choose the correct option from the provided answers: 3. Zeros that appear in front of all of the nonzero digits are called left-end zeros. Left-end zeros are never significant. A. 0.008 has one significant figure. 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? Read this paragraph and choose the correct option from the provided answers: A: Children who don't get enough calcium while their bones are forming may develop a deficiency disease called rickets, in which their bones are softer than normal and become bent and stunted. Adults who don't get enough calcium may develop a condition called osteoporosis, in which the bones lose calcium and become weak and brittle. People with osteoporosis are at high risk of bone fractures. 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? Read this paragraph and choose the correct option from the provided answers: The cells of the blastocyst form an inner cell mass and an outer cell layer, as shown in Figure below . The inner cell mass is called the embryoblast. These cells will soon develop into an embryo. The outer cell layer is called the trophoblast. These cells will develop into other structures needed to support and nourish the embryo. 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? Read this paragraph and choose the correct option from the provided answers: Total internal reflection allows the light to travel down the optical fiber and not pass through the sides of the tube. The light continuously reflects from the inside of the tube and eventually comes out the end. Optical fibers make interesting lamps but they are also used to transport telephone and television signals. Choices: - touch fibers - process fibers - hair fibers - optical fibers A:

Ans:
optical fibers
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