Answer:
valency of zinc cation - 2
valency of zinc sulphate - 2
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Answer: D
Explanation:
Light waves travel in straight paths called rays. Unlike sound, where waves have to travel through matter to be heard, light waves do not have to travel through matter to be seen. Instead, rays travel in a straight path until they hit an object. A ray's straight path is the path of light
The correct answer would be A) A soccer ball passed between two players because the ball is in motion.
