Sign of the
a glass marble is rubbed against a piece of silk. as a result the piece of fabric...
Sign of the
a glass marble is rubbed against a piece of silk. as a result the piece of fabric acquires extra electrons. what happens to the glass marble? (a)the marble has lost the same number of electrons acquired by the piece of silk. (b)the marble has acquired the same number of electrons acquired by the piece of silk. (c)the marble acquires a positive charge and repels the piece of silk. (d)the marble acquires a positive charge and attracts the piece of silk. (e)the marble acquires a negative charge and attracts the piece of silk. (f)the marble acquires a negative charge and repels the piece of silk. there may be more than one answer.
Answers: 2
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What is created when solids,liquids,an gases mix with one another
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Organelles are 1. responsible for producing power for the cell 2. tiny structures in the cell that carry out the cell's activities 3. responsible for digestion in the cell 4. found outside of the membrane
Answers: 1
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When a bicycle coasts uphill, it moves slower and slower as it climbs. why? a. its kinetic energy is transforming into heat energy. b. its potential energy is transforming into kinetic energy. c. its kinetic energy is transforming into potential energy and heat energy. d. its potential energy is transforming into kinetic energy and heat energy.
Answers: 1
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The horizontal blue line through the middle of the lens is called the optical axis. as the lamp is moved above or below the axis, keeping the horizontal distance to the center of the lens constant, how does the horizontal distance from the lens to the image change?
Answers: 2
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