What is the reason native americans population decreased

Why are low-lying lands more suitable for agriculture than hilly areas?

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?

Which nims command and coordination structures are offsite locations where staff from multiple agencies come together?