HollyA

15 Questions
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793

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HollyA

The diagram below shows a mass suspended on a string called a pendulum. What energy transformation occurs as the mass moves from point A to point B? A.Kinetic energy is converted to potential energy
B.Potential energy is converted to kinetic energy read more ..

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HollyA May 17, 2017

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720

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HOLLYA

Which of the following prenatal activities could lead to low birth weights and higher frequencies of developing asthma?
A.Eating fast food 3 times a week
B.Smoking
C.Walking 2 miles a day read more ..

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HollyA May 17, 2017

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745

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Hollya

Which best explains why sexual reproduction produces greater variations in the offspring?
A.The DNA comes from two genetically different parents
B.The DNA comes from one parent that is genetically identical
C.The s*x cells are produced read more ..

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HollyA May 17, 2017

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709

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HollyA

If a tall plant (TT) is crossed with a short plant (tt), all of the offspring will be:
A.Tall
B.Short
C.Medium read more ..

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HollyA May 17, 2017

+1

1460

3

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HollyA

How do materials move in and out of plant cells and animal cells?
A.Plant cells and animal cells have cilia
B.Plant cells and animal cells have a cell wall
C.Plant cells and animal cells have a flagella read more ..

off-topic

HollyA May 16, 2017