How many molecules of liquid ethanol are in 1.00 ml of ethanol given its density is 0.789 g/ml?

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

Which of these describes how heat is transferred by convection* a. sunlight travels through space without the aid of fluids or solids. b. warm air rises and takes the heat with it, eventually, it cools and sinks c. air at the equator rises and sinks at the poles. d. air molecules touch the warm ground, heating them up *not conduction

The velocity of any object depends upon a) the location of the object. b) the location of the observer. c) which measurement tools are used. d) the relative motion of the observer.