Answer:
D. Refrigerants
Explanation:
In the United States of America, the agency which was established by US Congress and saddled with the responsibility of overseeing all aspects of pollution, environmental clean up, pesticide use, contamination, and hazardous waste spills is the Environmental Protection Agency (EPA). Also, EPA research solutions, policy development, and enforcement of regulations through the resource Conservation and Recovery Act .
The Clean Air Act Amendments of 1990 prohibit service-related releases of all refrigerants such as R-12 and R-134a. This ban became effective on the 1st of January, 1993.
Refrigerants refers to any chemical substance that undergoes a phase change (liquid and gas) so as to enable the cooling and freezing of materials. They are typically used in air conditioners, refrigerators, water dispensers, etc.
Answer:
Though the ENIAC patent was invalidated by the U.S. District Court in Minnesota, Eckert and Mauchly have nonetheless been credited by history with inventing the ENIAC, the world's first large-scale general purpose electronic computer
Explanation:
Answer:
From the keyboard layout invented by Christopher Lathem Sholes. It is now the most used keyboard layout throughout the world
Answer:
IP address
Explanation:
if you do give out your IP address people can find you so you need to ask your parents to give out your IP address