The main source of energy used by most organisms is

The influenza virus cause the flu, but not other diseases. why?

Models are non-visual ways of coummincating how someone thinks about something in the natural world

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