Would anybody like to help me get plus plzzz i gotta do all this make up work thanks :)

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

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

How many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2