Important state variables measured for parcels of water in the ocean are therefore temperature, which is related to the heat content, salinity, which is related to the amount of dissolved matter, and the pressure (Table 1).
Medical marijuana now legal in 24 states. Pennsylvania just became the 24th U.S. state to legalize medical marijuana. Governor Tom Wolf approved the measure Sunday, allowing the sale and consumption of cannabis for treating specific diseases or symptoms.
California voters passed Proposition 215 in 1996, legalizing the use of medical marijuana. The Federal government of the United States has limited the use of marijuana since the 1937 Marijuana Tax Act came into effect. Defendant Angel Raich used homegrown medical marijuana, which was legal under California law but illegal under federal law.