1
not able to be renewed.
2
power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines.
3
the presence in or introduction into the environment of a substance which has harmful or poisonous effects.
4
a form of energy resulting from the existence of charged particles (such as electrons or protons).
5
a machine for producing continuous power in which a wheel or rotor.
6
a combustible black or dark brown rock found mainly in underground seams and used as fuel.
7
a technique that enables the extraction of gas or oil from the subsoil by means of hydraulic pressure.
8
the weather conditions prevailing in an area in general or over a long period.
9
a light fuel oil that is obtained by distilling petroleum and used in internal combustion engines.
10
wild animals collectively; the native fauna (and sometimes flora) of a region.
