Answer:
if im not mastaken its the stratosphere and the thermosphere.
Explanation:
Answer:
Our best guesses are that life began somewhere between 3.5 Billion and 3.8 Billion years ago
Answer:
Most major rivers in Southeast Asia seem to flow in the same direction. By studying the physical geography of this region, we can tell that these rivers flow from north to south because the major mountain ranges run from north to south. The rivers formed naturally between them in valleys.
