Identify the scenarios below as to whether they would increase, decrease, or not change
the frequency in which a string vibrates and thus change its pitch. Assume that no other
changes are happening.
1. Tightening a string for greater tension
2. Replacing a thin string with a thick string
3. Increasing the effective length of the string

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