What quantity of carbon dioxide was in the atmosphere in 1980

371 ppm is the quantity of carbon dioxide that was in the atmosphere in 1980. Atmospheric carbon dioxide concentrations in parts per million (ppm) was 371 in 1980. However, this has increased over the years due to human activities such as burning of fuels which release carbon dioxide into the atmosphere.

Explanation:

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.