Unfortunately, in Israel, only Orthodox Jews get all the special privileges.
only about 10% of Jews are orthodox.
No.
All countries
Yes, non-Orthodox Jews can become Orthodox by becoming more observant. Non-Jews can become Orthodox Jews through Orthodox conversion.
No. That applies mainly to Orthodox and Conservative Jews.
Jews do not believe in jesus christ at all.
Orthodox Jews keep meat and dairy separate at all times.
Conservative Jews are less strict than Orthodox Jews. Not all Conservative Jews keep Shabbat.
Orthodox Jewish teenagers eat the same things all Orthodox Jews eat; kosher foods of all different kinds.
Orthodox Jews are strictly observant. Hassidic Jews are even more strict.
Orthodox and Ultra-Orthodox Jews are strict followers of Jewish law.