Answer:
The Rocky Mountains formed 80 million to 55 million years ago during the Laramide orogeny, in which a number of plates began sliding underneath the North American plate. The angle of subduction was shallow, resulting in a broad belt of mountains running down western North America.
Explanation:
The rule for a rotation by 90° about the origin is (x,y)→(−y,x) .
<h2>PLEASE LIKE </h2>
India is a versatile outsourcing location, where you can easily find a service provider for customer support, research, marketing or any other business activity that you would prefer to outsource. ... Whether you require less or more resources, outsourcing can provide your company with a certain level of scalability.
