The doctrine that people who do jobs that require the same level of skill, training, or education are thus entitled to equal pay is known as
the glass ceiling
substantial compensation
comparable worth
affirmative action

The answer is comparable worth.

Explanation:

Comparable worth is the principle in economics that intends to fight against the gender pay gap. It was introduced in the 70s and it states that people who do jobs that require the same level of skill, knowledge, responsibilities and effort, should be compensated equally. This principle was introduced after the acknowledgement that women were recieving up to 20% less pay than men for the same job position.

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.