When particles are suspended in liquid (like pollen in a water glass), they will zigzag randomly through the liquid and collide with one another in perpetuity. This type of random, continuous ______ is known as Brownian motion, can be observed throughout the natural world.
Which choice completes the text so that it conforms to the conventions of Standard English?
Choose 1 answer:
Choose 1 answer:
(Choice A) movement: which
A
movement: which
(Choice B) movement which
B
movement which
(Choice C) movement, which
C
movement, which
(Choice D) movement. Which
D
movement. Which