Which statement explains why scientists classify organisms into groups based on shared characteristics

Which substance absorbs 58.16 kj of energy when 3.11 mol vaporizes? a)ch4 b)h2s c)co2 d)nacl

Adrop of acetone (nail polish remover) has a mass of 35 mg and a density of 0.788 g/cm3. what is its volume in cubic centimeters?

The continuous release of nuclear energy caused when one fission reaction triggered more nuclear reactions is a