Chlorofluorocarbons (CFCs) can be used as _____, which are artificial substances with known histories of production or release.

Which statement describes the characteristic of the Atlantic coast? 

If a wind wave remains in water deeper than half its wavelength and the wind continues to blow, the wave becomes _____. 

A wave in which particles of water move in closed circles as the wave passes is called a(n) _____. 

The reference level to which tidal height is compared is called the_____. 

The slowing and bending of waves in shallow water is called _____. 

_____ protect property temporarily, but they also increase beach erosion by deflecting wave energy onto the sand in front of and beside them. 

The movement of sediment along the coast, driven by wave action, is referred to as _____. 

_____ is the biological conversion of simple carbon molecules into carbohydrates using the oxidation of inorganic molecules as a source of energy. 

The genus and species names constitute an organism’s _____.