Match the following. physical processes
physical systems
processes initiated by people that shape earth's surface and
1. interact with plant and animal life to create, sustain, and
modify ecosystems
2. activities occurring in nature that shape the earth's surface
processes occurring in nature that shape the earth's surface
3. and interact with plant and animal life to create, sustain, and
modify ecosystems
physical and human processes that shape the earth's surface
4. and interact with plant and animal life to create, sustain, and
modify ecosystems
human systems
systems

Distance that the transcontinental railroad covered from omaha to san francisco.

The pacific islands that lie along tectonic plates may have volcanic activity are uninhabited may not have agricultural economies are located in the tasman sea

Why might a single rock layer exhibit different types of sedimentary rocks within it? view available hint(s) why might a single rock layer exhibit different types of sedimentary rocks within it? such a rock layer, termed a facies, when traced laterally represents a variety of depositional environments that formed in a sequence over time. such a rock layer, termed a facies, when traced laterally represents a single depositional environment that formed over time. such a rock layer, termed a facies, when traced vertically represents a variety of depositional environments that formed at the same time across a broad area. such a rock layer, termed a facies, when traced laterally represents a variety of depositional environments that formed at the same time across a broad area. such a rock layer, termed a facies, when traced vertically represents a variety of depositional environments that formed in a sequence over time.