which phrase describes trophic level 1 a. has the most energy available b. has the least number of organisms c: has the least amount of producers d. has the largest number of herbivores

Fossil fuels are organic compounds that are made from

How many moles are in 43.9 l of oxygen

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