Velocity is a combination of what 2 things?

How have the greenhouse gasses increased from the year 2000 to 2018

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?

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