Answer:
c;= , the answer is C key frames
Explanation:
the explanation is because a single still image is an animated sequence that occurs at an important point in that sequence. In order to Define pivotal points of motion before the key frames , in between are drawn or otherwise created to tween the motion between the two key frames. Look it up on the internet ask the exact same question you have wrote down and it will give you this this exact answer your answer is key frames