Is water (h2o) a element? why or why not?

What is the fate of the electrons that interact with a specimen in an electron microscope?

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?

Atypical jetliner lands at a speed of 146 mi/h and decelerates at the rate of (10.4 mi/h)/s. if the jetliner travels at a constant speed of 146 mi/h for 1.5 s after landing before applying the brakes, what is the total displacement of the jetliner between touchdown on the runway and coming to rest?