Answer:
See below
Explanation:
Add "not" to the sentence to be changed into a negative sentence.
<u>So, the sentence will be:</u>
They are not building a new house.
Hope this helped!
<h3>~AH1807</h3>
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Restrictive related Clause provides essential information
Answer:
Calculate the speed of a wave that has a wavelength of 8 meters and a frequency of 16 meters per second (m/s).