Which sentence is punctuated correctly?

Before Nate did his homework, he took the dog out for a walk.
Before, Nate did his homework, he took the dog, out for a walk.
Nate took the dog, out for a walk, before he did his homework.
Nate took the dog out for a walk, before he did his homework

The process of learning acceptable social behavior and values is called

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?

At 3476 kilometer the moon's diameter is slightly less than the distance across from what