Answer:
B. They developed a mathematical tool called the quipu
Explanation:
Before the cotton gin, production of cotton was slow because the fibers and seeds were separated by hand. The cotton gin was an invention which separated the seeds from cotton making it faster.
The most important merit that the U.S. <span>government provide through a payroll tax to its citizens is social security and medicare. The citizens get free of cost medical treatment as well as social security by paying payroll tax. This makes life easier. I hope that this is the answer that has come to your desired help.</span>
Answer: Line agency actually works while the support agency offers advice. Must refer the matter to a higher authority. Staff agencies serve in a support capacity.
Explanation:
