HELP FAST ONLY CORRECT ANSWERS Research the Moon to understand why only one side of the Moon is observable from Earth. If this was the case with the Earth-Sun system, what would be Earth’s period of rotation?

He viscosities of several liquids are being compared. all the liquids are poured down a slope with equal path lengths. the liquid with the highest viscosity will

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.