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B. Loosening the drain plug with a screwdriver
Answer:

Explanation:
Given
Power at point A = 100W
Power at point B = 90W
Required
Determine the attenuation in decibels
Attenuation is calculated using the following formula

Where
t and
t


Substitute these values in the given formula




<em>(Approximated)</em>
Answer:
C. Use the SOAP API to maintain the related SObject_share records
Explanation:
In order to ensure that Universal Containers have complete control over the system, the company needs to use certain requirements. This is to ensure that non-authorized persons do not have any access to the information. Based on the information provided in the question, the correct option is option C.