Pls help me answer this question if correct I'll make brainylist

What is the role of buyer & seller in the marketplace

Eter lives in a beautiful region. peter and other residents of his region use water from the river that flows through their region. recently, mark industries decided to set up their chemical plant near that river. peter realized that the waste from the chemical plant would pollute the river. he decided to seek a legal ordinance that would restrict the use of land near that river for specific use only. which type of zoning will peter and his region?

Ato z on the bun timeline show where the events listed a through g board blow fit on the timeline