The law of conservation of angular momentum states that: A) a ...

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The law of conservation of angular momentum states that:
 
  A) a rotating object must vary its velocity in order to remain at a fixed distance from the axis of rotation.
  B) if an object is rotating around an object, the product of its velocity and its distance from the axis must remain constant.
  C) the rotating winds of a hurricane cannot be impacted by friction.
  D) objects moving around a center of rotation must spin faster if they get further from the center.

Question 2

What is a lahar?
 
  What will be an ideal response?

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Answer to Question 1

B

Answer to Question 2

A lahar is a type of fluid mudflow; it is not necessarily triggered by a volcano.