Why are stars so important to life on earth?
a) black holes create gravity needed to keep eart...
Why are stars so important to life on earth?
a) black holes create gravity needed to keep earth in orbit
b) super nova's spread heavy elements throughout the universe
c) red dwarfs provide light at night so we can see
d) brown dwarfs provide soil and atmosphere for planets
Answers: 1
Physics, 22.06.2019 05:00, anondriap
Which statements describe the movement of ocean currents around the globe? check all that apply. strong winds force warm water to sink to the ocean floor. the coriolis effect causes warm and cold water to mix. cool dense water sinks to the ocean floor. warm water replaces cool surface water. wind blowing parallel to the shore causes upwelling of cool water.
Answers: 1
Physics, 22.06.2019 10:00, chaseashley24
** urgent** the voltage across the primary winding is 350,000 v, and the voltage across the secondary winding is 17,500 v. if the secondary winding has 600 coils, how many coils are in the primary winding? a- 30 coilsb- 583 coilsc- 12,000 coilsd- 332,500 coils
Answers: 1
Physics, 22.06.2019 12:50, stephanie37766
Which changes would result in a decrease in the gravitational force btween two objects? check all that apply
Answers: 1
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