1. The geosphere provides the raw materials that humans need to survive. These materials include water, air, soil, minerals, and fossil fuels. We use these resources to build our homes, grow our food, and power our industries.

2. The geosphere shapes the Earth's surface and climate. This can have a significant impact on human activities, such as agriculture, transportation, and recreation. For example, mountain ranges can block the flow of air masses, which can lead to different climate conditions on either side of the mountains.

3. The geosphere can produce natural disasters that can cause widespread damage and loss of life. These disasters include earthquakes, volcanic eruptions, tsunamis, and landslides. Humans can mitigate the effects of these disasters by building earthquake-resistant structures, creating early warning systems, and educating people about the risks.