Identify two types of simple machines in this compound machine. a. screw, incline plane b. lever, wheel and axle c. lever, pulley d. screw, lever

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division

There is a single path for electrons. the current decreases when additional resistors are added. the current will be the same in each resistor. these statements best describe a(n) circuit.

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