Competition and natural selection
Igneous rocks are interlocking crystals. Are formed through the freezing or crystallization of a melt. Hope this helped, have a great day! :D
Environmental contaminants make their way into lakes, rivers, and groundwater and many other places. Animals drink that water. Our crops absorb that water that seeps into the soil, those crops are consumed by animals and humans. Therefore those animals are contaminated with whatever contaminant they consumed. In return those animals are ingested by the predator that consumes it therefore passing through the food chain.
Answer:
Plastic. Out of all the raw materials for 3D printing in use today, plastic is the most common. ...Powders. Today's more state-of-the-art 3D printers use powdered materials to construct products. ...
Resins. ...
Metal. ...
Carbon Fiber. ...
Graphite and Graphene....
Nitinol. ...
Paper...
Explanation: