Physics, 02.08.2019 13:10 kendall984
1. the universe could grow indefinitely if a. dark matter reduces in size b. stars keep recreating themselves c. the universe is flat and full of matter d. the universe is flat and depleted of matter 2. when a low-mass star has used it's last remaining fuel, a occurs in which radiation ionizes the star's surrounding cloud a. nova b. supernova c. black hole d. planetary nebula 3. which terrestrial plane has an atmosphere similar to earth's? a. mars b. venus c. mercury d. none of the above 4. which is evidence that supports the big bang theory? a. the expansion of the universe b. the existence of dark matter c. the detection of dark energy d. the ow levels of hydrogen and helium 5. the most of the mass in the galaxy exists as a. galactic bulge b. dark matter c. exosolar planets d. stars
Answers: 1
Physics, 22.06.2019 05:00, emj617
In a stagnant pool of water, a crayfish may spend much of its time lying with one side of its carapace near the surface of the water. in this position, it will move the walking legs on that side in a rhythmic back-and-forth motion. explain the likely function of this behavior.
Answers: 1
Physics, 22.06.2019 05:30, dxpebetty64
Astudent pushes on a 20.0 kg box with a force of 50 n at an angle of 30° below the horizontal. the box accelerates at a rate of 0.5 m/s2 across a horizontal floor. what is the value of the normal force on the box? 200 n 243 n 156 n 225 n
Answers: 2
Physics, 22.06.2019 12:00, ameliaxbowen7
Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?
Answers: 1
1. the universe could grow indefinitely if a. dark matter reduces in size b. stars keep recreating...
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