What first caused people to consider that the continents were once one large landmass?

A) Maps were created
B) Continents looked like they fit together
C) North and South America were explored
D) Similar fossils were found on many continents

What are the answers for the following questions?

How can minerals crystallize from materials dissolved in water? check all that apply.

The world wars of the twentieth century immediately led to a. the establishment of a communist bloc in eastern europe b. the urbanization of europe’s societies c. an emphasis on humanism d. an emphasis on ties to greek and roman societies select the best answer from the choices provided. a b c d