The society of automotive engineers has established an accepted numerical scale to measure the viscosity of motor oil. For example, sae 40 motor oil has a higher viscosity than an sae 10 oil. Rank the following hydrocarbons by their expected viscosity.

Susie ran a race. she ran 55 miles an hour, and the race took her tt hours to complete.

Blank is the amount of energy in a sound wave per unit of time and is also related to the loudness of a sound

Which of the following ideas did greek philosopher democritus contribute to the atomic theory? a. each object is made up of one atom, which varies in size from very small to very large. b. matter is composed of only one kind of particle, which can be easily destroyed. c. every element has a specific type of atom, which remains the same size in all forms of matter. d. all matter is composed of small particles, which combine to make larger objects.