Yes it would get colder because people help people learn through experiences with no one to help teach the world would be a cold lifeless place.
gawaingnpang nkabuhayan, hamon at oportinidad
What are you asking here?
Your teacher is right. The moon can be seen early in the morning sometimes and late at night. Different phases are only visible on certain days as one day might be full quarter, the next full moon, the next first quarter, etc.
A) 1973 I believe it had something to do with the Arab wars happening at the time