The ionic layers of the atmosphere reflect

a) radio waves.
b) charged particles.
c) sound.
d) light.


a

Physics & Space Science

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Briefly describe the four possible expansion patterns of the universe

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A) kilocalories. B) Calories. C) both are the same D) neither of the above

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If the magnetic fields are very strong, such as around sunspots, how are spectral lines affected by the Zeeman effect?

What will be an ideal response?

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Life and human life are the same thing

a. True b. False Indicate whether the statement is true or false

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