barren

(adjective) Unproducing, empty, lacking nutrients  


biodiversity

(adjective) The diversity of a species in a certain area


cholorflurocarbons

(noun)

any of several volatile, inert, saturated compounds of carbon,fluorine, chlorine, and hydrogen: used as refrigerants, foam-blowing agents, solvents, and, formerly, as aerosol propellants until scientists became concerned about depletion of the atmospheric ozone layer.

deforestation

(noun)

The process of clearing forests or areas of trees


eutrophication

(noun)

The process characterized by an abundant accumulation of nutrients that support a dense growth of algae and other organisms, the decay of which depletes the shallow waters of oxygen.


exponentially

(adjective)

development at an increasing rapid rate in proportion to the growing total number or size; a constant rate of growth applied to a continuously growing base over a period of time



Gamma radiation

(noun)

electromagnetic radiation with wavelengths shorter than approximately one tenth of a nanometer.

inhabitants

a person or animal that lives in a place, especially as a permanent resident.


photosynthesis

(noun)

the complex process by which carbon dioxide, water, and certain inorganic salts are converted into carbohydrates  by green plants,algae, and certain bacteria, using energy from the sun and chlorophyll.


polar ice caps

(noun)

Any high area in the arctic region that is covered in ice


species

(noun)

The major subdivision of a genus or subgenus,regarded as the basic category of biological classification,composed of related individuals that resemble one another,are able to breed among themselves, but are not able to breed with members of another species.


travesty

(noun)

a literary or artistic burlesque of a serious work or subject,characterized by grotesque or ludicrous incongruity of style,treatment, or subject matter.


UV

(noun)

The sun's rays that cause one's skin to burn