How does exhaling remove waste from the body? explain the systems that make this happen, using 2-3 complete sentences.

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

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?

What is the source of continuous heat and energy that we receive from the sun