Answer:
A) Speed
Explanation:
The medium of transmission(air) does not change before and after reflection. The sound still travels in air after the reflection. i.e the medium of transmission of sound is constant.
Since the medium of transmission remains constant, speed also remains constant. Speed only changes when the medium of transmission changes.
Use a little liquid dishwashing detergent (the kind you use for hand washing dishes) to pretreat the stains. Apply a few drops to each stain and let it soak in, rubbing it gently to help work it all the way in if you need to. Wait 5 minutes, and then rinse with warm water.
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<u>ANSWER</u><u>:</u></h2>
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<u>C</u><u>.</u><u> </u><u>1</u><u>0</u><u>0</u><u> </u><u>NEWTONS</u></h3>
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<u>CARRY</u><u> </u><u>ON</u><u> LEARNING</u>
<u>CAN</u><u> </u><u>Y</u><u>OU</u><u> BRAINLEST</u><u> ME</u>