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Chemistry, 22.06.2019 12:30
Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.
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Chemistry, 22.06.2019 20:30
Draw a line graph showing the relationship between temperature in kelvin as a function of kinetic energy.
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Chemistry, 23.06.2019 01:00
Which statement is true regarding the diagram of circle p? the sum of y and z must be 2x. the sum of y and z must be x. the difference of z and y must be 2x. the difference of z and y must be x
Answers: 1
Chemistry, 23.06.2019 02:00
Why does ammonia, nh3, behave as a base when it reacts with an acid? z
Answers: 2
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