Answer:
66.98 db
Explanation:
We know that

L_T= Total signal level in db
n= number of sources
L_S= signal level from signal source.

= 66.98 db
The answer is A. Deformation is where the object doesnt return to its original shape.
Answer:
A
Explanation:
You can get alot of info from it then again the info could be misleading
Answer:
B
Explanation:
You can get some good info from the internet but its most likely the wrong info
Answer:
c
Explanation:
It informs you with the info you need then again you are most likely getting socialy forced information.
Answer:
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