Living and nonliving things around us
Parts of the environment that are useful to us
Useful resources that are recycled or replaced by nature
Non renewable resources
Resources that are used up faster than they can be reproduced
Non renewable resources that have been made in the earth's crust over millions of years
The energy that is made when falling water turns a generator turbine.
Energy produced from splitting apart uranium by nuclear fission
Heat energy with in the earth where geysers and volcanos
Changing of organic matter produced by photosynthesis into useful liquid gas or fuel
A heat-trapping feature that occurs with certain gases.
Water that collects between particles and soil
Movement of soil.it is a natural process but human actions can increase it
Waste that is harm full to human waste or poisonous to living organisms
A conversion process that requires reprocessing an item or a natural source