| A | B |
|---|
| geology | Study of Earths structures, materials, and processes. |
| uniformitarianism | Belief that all geologic processes are natural,have always been the same, happening at the same gradual rate. "The present is the key to the past." |
| deep-time view | Idea that the earth is ancient - billions of years old |
| crust | Earth's solid, relatively low-density outermost layer of rock that lies under the loose surface materials and the oceans. |
| Moho | Boundary between the earth's crust and its mantle. |
| mantle | Hot, plastic rock that fills the earth's interior between the crust and the core. 84% of earth's volume. |
| lithosphere | Combination of the upper mantle and the crust that moves with tectonic plates. |
| core | Dense, extremely hot central region of the earth's interior, consisting of two parts: liquid outer core and solid inner core. |
| natural resource | Any raw material from the natural environment that we use or can use. |
| renewable resource | A natural resource that has an unlimited supply or is easily replenished. |
| nonrenewable resource | Natural resource that can't be replenished and can thus be used up. |
| resource management | Efforts to oversee and wisely control the use of natural resource. |
