Describe all types of pollution​

Air , water , land, radioactive , light and thermal

Water pollution, air pollution, solid waste pollution, and noise po/llution are all examples of pollution. Gases and solid particulates can also pollute the air. Groundwater conta/mination is related to soil pollution. Leacha/te from solid waste can be extremely polluting, contaminating soil groundwater.

d. new methods of assembly are introduced.

explanation:

this allows for the goods to be made on a larger scale. not faster because now it is shown to be made better, hence the greater productivity in the question. it is calling for something new to be introduced.