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Questions (15)

A builder wants to make a room soundproof in a new home. The builder should use materials that _____.(1 point)A. reflect sound
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2. 80 views
A room with which type of surface will most likely produce an echo?(1 point)glass dirt foam carpet
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Frequency is measured in hertz. Which option best describes hertz?1. the number of waves that pass a certain point within a
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How does sunscreen work?A. It helps UV waves be able to pass through the skin. B. It helps prevent the skin from reflecting UV
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What happens when a wave is absorbed by a material?A. The wave passes through the material. B. The wave bounces off the surface
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If the net force acting on an object is 0 N, the forces are ________1. not present 2. unbalanced 3. balanced
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A force of 53 N is applied to an 11 kg object. What is the object’s acceleration?1. 583 N 2. 4.8 m/s2 3. 21 m/s2
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Which term describes the resting position of a wave?1. equilibrium 2. frequency 3.amplitude 4.crest
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timeline. Then analyze and provide evidence to support how one emperor's reorganization of the empire, regardless of gaps in
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Use the drop-down menu to complete the sentenceAccessibility refers to. 1. Accessing the online textbook without a password 2,
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Your first task when you begin a lesson in order1. take the lesson assignment 2. Read the selection in the online textbook. 3.
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Select the 2 rivers that surround MesopotamiaA. Nile and Yellow Rivers B.Tigris and Euphrates Rivers
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Which civilization started along the Yellow River?A. Ancient Egypt B. Ancient Mesopotamia C. Ancient Indus Valley D. Ancient
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Which 2 continents were covered by glaciers?A. Europe and Africa B. Europe and North America
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Look at the information about each ancient river civilization. The underlined text tells you where each civilization was
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2. 77 views