3. 1 Astronomical Unit is equal to what? 4. If the diameter of the solar system is 80 A. U., what is the
radius of the solar system?
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5. The Milky Way is how many light years across?

Suppose that recording station n is located 200 km north of the epicenter of an earthquake, and recording station s is located 100 km south of the epicenter of the same earthquake. which of the following statements would be true?

Carbon 14 is a naturally occurring stable

Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost