The concept would be crystallization. As magma cools inside or outside of the earth it crystallizes into an igneous rock. Intrusive (formed inside crust) igneous rocks are typically more course grained and contain many different noticeable minerals (for example, granite). Extrusive (formed outside) igneous rocks are typically more porous and are more fine grained then intrusive rocks (example, obsidian).
Answer:
because we get energy from plants
Explanation:
Answer:
Intraspecific interactions, where they are the same species, or interspecific interactions, where they are from different species.
1. Radiometric, Relative
2. Radiometric Dating
3. Relative Dating
