Why do most surfaces reflect light diffusely? 1. most surfaces are clear. 2. most surfaces are 100% smooth. 3. most surfaces are not totally smooth. 4. all surfaces are smooth.

Increasing the pressure on one spot of a fluid will increase the pressure everywhere else in the fluid a. pascals principal b. archimedes' principal c. bernoulli's principal

Which of the following is a direct benefit of the use of assembly lines in production a. laws against theft fraud and coercion are needed to protect free choice. b. the government needs to plan efficient outcomes. c. competition among producers by itself cannot ensure a wide range of consumer choices. d. works pressure the government to guarantee minimum wages

Elements on the periodic table are ordered according to their