Physics, 12.03.2021 01:00, jahkin0256
The distance from Earth to the North Star is about 430 light-years. Which of the following statements describes why scientists use the light-year unit to measure distance in space?
A.) A light-year is very small and distance in space are very small
B.) A light-year unit is very small and the distance in space are very large
C.) A light-year unit is very large and distance in space are very small
D.) A light-year unit is very large and distance in space are very large
Answers: 1
Physics, 22.06.2019 04:40, love5965
Which statement best describes copper? a. it has a low resistance and prevents charges from moving freely. b it has a high resistance and allows charges to move freely. c. it has a high resistance and prevents charges from moving freely. d. it has a low resistance and allows charges to move freely
Answers: 1
Physics, 22.06.2019 21:00, cici65360
What do the atoms of elements in the same group have in common? a. they have the same atomic numbers. b. they have the same average atomic masses. c. they have the same number of electron shells. d. they have the same number of electrons in their outermost shells.
Answers: 1
The distance from Earth to the North Star is about 430 light-years. Which of the following statement...
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