Do only number 4 and thank
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Answers: 2
Physics, 21.06.2019 17:00
What would the difference of spectral lines emitted by hydrogen gas in distant galaxies which is normally found at a wavelength of 21 cm on earth, be observed at 21.1 centimeters?
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Physics, 23.06.2019 03:00
Are good conductors of heat also good conductors of electricity? explain your answer.
Answers: 2
Physics, 23.06.2019 05:00
Two cans on a sunny window one black and the other white construct and explanation of the effect of sun will have on both cans over a two hour period?
Answers: 1
History, 08.07.2019 03:50
Business, 08.07.2019 03:50
Social Studies, 08.07.2019 03:50
Social Studies, 08.07.2019 03:50
History, 08.07.2019 03:50
Social Studies, 08.07.2019 03:50