If you live in a country that borders the United States of America, then you live in Mexico. Choose a counterexample to the given statement. *
O Canada
Florida
O Spain
O Alaska

Can you show the map?

Don't depend on this but logically i think c

1. why do astronomers think that there may be other advanced civilizations?
because  it was discovered that there are other planets like earth out there, able to  accommodate life forms.
2. what technologies are astronomers using to look for life on other planets? why?  
they  have used radio telescopes, but now they use laser telescopes   to track laser communications.