how does a low pressure system work and what kind of weather does it bring? how are the gas particles moving and how does that impact temperature and how density changes?

There are main groups in the modern periodic table of elements

Which formula can be used to calculate the molar mass of hydrogen peroxide

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