I need answers now! Which statement describes the focus of an earthquake?
O It creates stress in rock.
O It develops in the lithosphere.
Olt lies above the surface where rock breaks.
O. It begins about 5 kilometers below Earth's surface.

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit

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