Identify each statement as a hypothesis, theory, or law. hypothesis theory law For any closed system, the mass of the system must remain constant over time. arrowRight Higher air pressure causes fuel to burn at a faster rate. arrowRight Organisms have changed and diversified over time due to shifting frequencies of heritable traits by means of natural selection. arrowRight
How much would the freezing point of water decrease if 4 mol of nacl were added to 1 kg of water (kf=1.86 degrees c/(mol/kg) for water and i=2 for nacl a- 7.44 degrees c b- 14.88 c 3.72 d 1.86