low-lying area from which seawater has been drained to make new farmland

the process whereby glaciers form and spread

vegetation consisting chiefly of tangled shrubs and thorny bushes

long steep-sided glacial valley now filled by seawater

a strong, cold northwesterly wind that blows through the Rhone valley and southern France into the Mediterranean, mainly in the winter time

mass of ice, snow, or rock

a thick subsurface layer of soil that remains frozen throughout the year, occurring chiefly in polar regions

fine yellowish-brown top soil made up of particles of silt and clay, carried by the wind

a hot wind, often dusty or rainy, blowing from North Africa across the Mediterranean to southern Europe.

Elevation above which it is too cold for trees to grow

a warm dry wind blowing down the side of a mountain(Leenard)-and it melts snow