The origin of Earth’s magnetic field is/are that circulates like weather systems. A) liquid metal B) lava C) clouds D) magnets

Let the ed50 of a recreational drug be defined as the amount required for 50% of a test group to feel high or get a buzz. if the ed50 value of ethanol is 470 mg/kg body mass, what dose would a 70 kg party goer need to quickly consume in order to have a 50% chance of getting a buzz? 235 mg 470 mg 32,900 mg 35,000,000 mg

Find the mass, in grams, of 5.00*10^23 molecules of f2

Anyone who's in connections academy chemistry b have the factors that affect the rate of a reaction portfolio already done?