Plate tectonics are an important geographical phenomenon. Consider the following regarding it-

1. Juan de Fuca plate is largely responsible for the volcanoes that dot the Pacific Northwest of the United States

2. There are three types of plate boundaries: divergent, convergent and conservative.

3. All volcanoes and earthquakes in the world are located at plate margins.

Which of the above sentences are true?

1 and 2

By: Kamal Kashyap