Answer:
In 1912 Claude installed the first-ever neon advertising sign in a Parisian barbershop on the Boulevard Montmartre. A large rooftop sign for the Italian vermouth maker Cinzano soon followed, along with illumination for the entrance of the Paris Opéra. Ne or neon gas is used for advertising signs, as are other noble gases. ... The gas itself has no color until an electric charge is applied that alters the structure of the Ne molecules. Neon gas only produces a reddish orange color light, so other inert gases are used to make other colors.
It best appeals to touch.
Answer:
a. He and his mother are singing.
b. She is at his mother ook
c. They are playing the electric guitar
Explanation:
a)
He and his mother are singing.
b)
She is at his mother ook
c)
They are playing the electric guitar
Reason -
The present continuous verb tense indicates that an action or condition is happening now, frequently, and may continue into the future.
For example -
He is swimming
I am singing at church today.
She lays on the grass alone.
I took this yesterday
It may be (d) ime not completely sure
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