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Question 10
He fills a
hen, he
I tight
pper
string, the
n and the
tup is
Kevin uses a model to compare the mass of the
contents in the flask before and after the reaction
occurs. Used the dropdown to select the
mathematical phrase that BEST completes the
statement describing the model.
The mass of the contents in the flask before the
reaction occurs is
the mass of the contents in the flask after the reaction
Occurs.
ieces of solid
opper hydroxide

Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.