Earth can be divided into four major spheres: the hydrosphere, the atmosphere, the and the biosphere. 4. earths lower mantle lies below the __5. a __ is a group of interacting parts that form a complex whole.

In 1870, which path would settlers moving west from el paso to los angeles have followed? a) old spanish trail b) gila trail c) california trail d) oregon trail

What major factors play a role in global warming? 1. human activity and normal climate conditions 2. natural factors and human activity 3. normal climate conditions and abnormal human activities 4. abnormal human activities and natural factors

#4.) describe the most likely weather conditions at indiana / ohio boarder. also could someone double check my other answers? i'd really appreciate it