The country directly on the other side of the world from the Philippines is Nigeria.
There is none; at the other side of the world from Mexico is the Indian Ocean.
Tahiti
Yes Vietnam
china
Kazakhstan
Kampong Thom, Cambodia
The country directly on the other side of the world from Haiti is Indonesia. This is because Haiti's antipodal point, the point directly opposite on Earth, falls within the boundaries of Indonesia.
In the country side, very. In cities, less so.
Depends on the timezones, but for continental USA its China-Iran.
The Indian Ocean, off the southwest coast of Australia.
Some apples are red on one side and green on the other due to a chemical reaction. The red side had more sun, which causes the reaction to color the apple red. The other side was more shaded and stays green.