Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

[Q]: Question: A convergent plate boundary is created when two plates do what? Answer: come toward each other
[A]: When two plates come toward each other, they create a convergent plate boundary.

[Q]: Question: What is the vector sum of all the torques acting on the object called? Answer: net torque
[A]: The net torque is the vector sum of all the torques acting on the object. When adding torques it is necessary to subtract CW from CCW torques.

[Q]: Question: Where do polychaete worms live? Answer: the ocean floor
[A]:
Polychaete worms live on the ocean floor. They may be sedentary filter feeders or active predators or scavengers. Active species crawl along the ocean floor in search of food.