Artificial RNA with a known base sequence was added to a medium containing bacterial ribosomes and a mixture of amino acids. By chemical identification of the resulting polypeptide, researchers could discover the:

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