Answer:
rex was covered in a coat of downy feathers
Explanation:
Some mammals did have hair but T. Rex mostly had feathers
Warm and dry is the answer
When an object from a pause state begins to move the potential energy is changed into kinetic energy. One of the example is the yo-yo, it has stored energy due to its position. Once the yo-yo begins its fall the potential energy will change to kinetic energy and vice versa.
