Why did steam-powered ships have an advantage over wind-powered ships?

Nelson is creating a powerpoint about the structural-functional perpectivebon poverty what perspective should he include in his presentation?

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?

On a production possibility curve, data points that fall outside of the curve represent what