Which statement about water quality is true? o A. water with pH level range of 6.5-8.5 best supports aquatic life
OB. warm water contains more dissolved oxygen than cool water
o c. high turbidity lowers the temperature of water in streams
OD. fast flowing streams have low levels of dissolved oxygen

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