Physics, 18.09.2019 00:00, queenjanet46
Which of the following statements are true? i. models are always wrong unless they are proved by a theory. ii. elements, such as lead, are made of tiny particles that mostly consist of open space. iii. the air you breathe is an example of a heterogeneous mixture. iv. an isotope of silver-108 has 61 neutrons.
Answers: 3
Physics, 21.06.2019 15:00, rafrod75
If this plastic cup is heated to its melting point, what will eventually happen to all the particles in the plastic? a. the particles will begin to move enough that they slide past each other. b. bonds will form and the liquid will become a solid. c. the spaces between the particles will get smaller. d. the particles will change state and become a crystalline solid.
Answers: 2
Physics, 22.06.2019 07:30, crodriguez87
Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?
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Physics, 22.06.2019 15:50, janeou17xn
Decreased sensitivity to an unchanging stimulus is known as
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Physics, 23.06.2019 07:30, dulcejuarez2005
Suppose that the half-life of an element is 1000 years. how many half-lives will it take before one-eighth of the original sample remains? 8 125 12.5 3
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Which of the following statements are true? i. models are always wrong unless they are proved by a...
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