Answer:
True
Explanation:
When those firms which are already existance in market feels threat from new entarnts. Then, they try to discourage the new entarnts to maintain their position in market and to earn same profit margins.
Dangerous, rocky, fast moving water is called cataract. C<span>ataracts are sections where the river tumbles over rocks, and can be very dangerous. A well known cataract can be found in the Nile River. </span>