A sample of water is very cloudy or shows high turbidity healthy or unhealthy?

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

(amoeba sisters video recap: pedigrees and need

How water is moving through the ecosystem ?