Asia and Europe both share the same land mass.
Absolutely NOT ! They're not even part of the same land mass !
No town is like a small city. Country is the whole land mass.
Yes England and Scotland are the same land mass.
Japan and China, China is mainland, Japan is a Island, Japan once was the land that the Chinese wanted to conquer but a storm prevented that from happen, China and Japan have different culture's, and live in different areas of Asia.
Australia has a land mass similar to that of Europe.
What is the continents of asia are really parts of the same land mass?
The Dominican Republic shares the same island with Haiti.
No, never.
Japan is about the size of Montana.
The United States is not a continent because it is only a portion of a big land, where Canada and Mexico inhabit the same land mass. Australia is a continent because it is its own place, and it owns the entire land mass. Since the United States does not own the entire land mass it is situated on, where Canada and Mexico inhabit the land mass, also, the United States is not a continent. The United States is only a country.
Objects with the same mass land at the same time because in the absence of air resistance, gravity accelerates all objects equally regardless of their mass. This means that they will reach the ground at the same time when dropped from the same height.