It might be an ecosystem
Hope this helps
A bacterium called Vibrio cholerae causes cholera infection. The deadly effects of the disease are the result of a toxin the bacteria produces in the small intestine. The toxin causes the body to secrete enormous amounts of water, leading to diarrhea and a rapid loss of fluids and salts (electrolytes).
Weathering & Erosion. Igneous, sedimentary, and metamorphic rocks on the surface of the earth are constantly being broken down by wind and water. Wind carrying sand wears particles off rock like sandpaper. hope this helps. :)
B, If I remember correctly. Oldest ones are always at the bottom, newest are at the top.
The system has four characteristics: economic<span> freedom, voluntary exchange, private property, and the </span>profit motive<span>. The free enterprise system may also be </span>referenced<span>as capitalism or the </span>free market system<span>.</span>
