How does a low amount of Vitamin B affect anaerobic respiration

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

9. the history of life on earth is recorded in

What is the main fuel source for the work of the cell