Answer:
The primary point of difference between capitalism and communism is regarding the ownership of 'means of production' or resources in general. Communism shuns private/individual ownership of land or any vital resources. On the other hand, capitalism believes in private ownership of land and means of production
D i reccomend searching before entering answer
The correct answer is C. viscosity.
You can check the viscosity of the brake-fluid with using a voltmeter. You can see that by using the voltmeter and read on it the volts, the bigger the voltage the bigger the moisture in brake-fluid, thus less viscosity.
Nicholas Appert. I did a unit on him.