That Africa and South America were once joined can be deduced front the fact that ______.
A、thetwocontinentsarestillmovinginoppositedirections
B、theyhavebeenfoundtosharecertaingeologicalfeatures
C、theAfricanplateshasbeenstablefor30millionyears
D、over100hotspotsarescatteredallaroundtheglobe
发布时间:2024-09-06 20:54:19