Stars, like our sun, are massive luminous balls of plasma held together by their own gravity, while galaxies are made of billions of stars, like our sun
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false

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

Use the information presented in the graph to answer the questions. which segments show acceleration? which segment indicates that the object is slowing down? what is the velocity of segment b? what is the acceleration of segment b?

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.