•which continents have coastlines and mountains ranges that match up

Asia and Antarctica
• Africa and North America
• North America and South America
• Africa and South America

Asia and Antarctica do not have matching coastlines and mountain ranges.

Africa and South America have coastlines and mountain ranges that match up to some extent, particularly where the Atlantic Ocean meets the western coasts of both continents. The Andes mountain range spans through South America, while in Africa, the Atlas Mountains run through the northwest region of the continent.
Africa and North America do not have matching coastlines and mountain ranges.
North America and South America also do not have matching coastlines and mountain ranges.