DNA AND RNA are both types of

The term equestrian relates to which animal? bulls cows horses pigs

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

In which state was more than 100 billion tons of coal mined in 2005?