Who invented the cotton gin and what is it used for?

Eli Whitney

Explanation:

It was invented to remove the seeds from cotton fiber, resulting in making the cotton production process much quicker and easier for the workers.

the correct answer is d. the monetary reserve is a set of funds represented in currency, money or similar, saved as a forecast of possible needs or for legal reasons.

the increase or decrease in the monetary base influences in the increase or decrease of the inflation rate. therefore, the excess of monetary reserve will cause the reduction of inflation.