He would have to push on it creating a torque that causes angular velocity of the merry go round to change.
C. Both of these
A signal statement tells people that something important is coming so the listener or reader needs to pay close attention. The statement "keep in mind" signals to the reader that what comes next could be an important factor. The second statement "I want you to understand..." also signals to the reader or listener that what will follow is important for the reader to pay attention to.
The Library of Congress is one of the biggest database of publications of a wide array of subjects and courses existing in the world. It is a useful site because of the statement found in option B. it has become one of the most credible and trusted sites which scientists depend.
Yogurt, dairy products are rich in protien
