BBC5 个月
The geography of South America
The Amazon River is the longest in South America, and the second longest river on Earth after the Nile in Africa. The source (start) of the Amazon River is in the Andes Mountain range in Peru.
Rock solid evidence: Angola geology reveals prehistoric split between South America and Africa
Angola rocks and fossils tell the whole story Africa and South America started to split around 140 million years ago, causing ...