This is defined as the soil, earth, and ground, which is the result of nature or man-made, as well as an indefinite extent upward into the air, and downward in a direct line from the surface to the center of the

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

The physical processes that create most of earth's physical features, including mountains, are known as

The coco river is a natural border between nicaragua and which other country