Answer:
If your pH meter does not work, there are other ways to find out the pH, the popular one being litmus paper or indicator paper, which changes color based on the acidic or basic -ness of the object being tested.
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Answer:
Explanation:
In fact, only three pins are required for serial port communications: one for receiving data, one for transmitting data, and one for the signal ground. The pin assignment scheme for a 9-pin male connector on a DTE is given below. The pins and signals associated with the 9-pin connector are described below.
The answer is A. Occupational Safety and health Administration.
Answer:
that's ezy they use tick tock
Explanation:
TACAS or Terminal Access Controller Access Control System would be the missing word here.