Answer
a) Scattered
b) Circular
c) Straight
d) Curved
Work Step by Step
a) Pepper on a steak is a bunch of points which are not connected, so this is scattered.
b) A Ferris wheel moves in a circular motion.
c) A ruler, also called a straight edge, is used to create a straight line, so it is a straight path.
d) A snake has a continuous path, but the path is not straight or circular, so we know it is curved.