Earth Science







Sand Dune Formation

Sand dunes are collections of grains of sand, forming hills, ridges or mounds, that accumulate on the shoreline by the effects of wind and sea waves. Sand dunes may vary in form and size, depending on the type of sand…
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Signs of Heat Exhaustion

Knowing the signs of heat exhaustion can potentially save your life or the life of those you love.  Heat exhaustion is the body’s way of telling people to get out of the sun and replenish themselves with vital fluids before…
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