1: fuel consisting of the remains of organisms preserved in rocks in the earth's crust with high carbon and hydrogen content |
continental drift [__] | drought [__] | fossil fuel [__] | global warming [__] |
2: the distribution of resources, including land, water, minerals, fuel and wealth in general among corresponding geographic entities |
regional [__] | distribution of resources [__] | volcano [__] | typhoon [__] |
3: act of modifying, or state of being modified; modified form or condition; a change |
modification [__] | density [__] | GIS [__] | fossil fuel [__] |
4: fissure in the earth's crust through which molten lava and gases erupt |
acid rain [__] | regional [__] | desertification [__] | volcano [__] |
5: an increase in the average temperature of the earth's atmosphere, especially a sustained increase that causes climatic changes |
cultural fusion [__] | map projection [__] | global warming [__] | continental drift [__] |