Based on british social theorist herbert spencer's theory, is the belief that those species of animals, including human beings, that are the most adapted to their environment will survive and prosper, whereas those that are poorly adapted will eventually die out.

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?