Technician A says that sunlight striking CFC molecules can cause chlorine to be released. Technician B says that chlorine atoms react with ozone to produce chlorine monoxide. Who is right?
A) A only
B) B only
C) Both A and B
D) Neither A nor B
C) Both A and B
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This geometric tolerance requires that the actual feature be between two parallel planes or lines that are parallel to a datum.
a. profile b. parallelism c. perpendicularity d. angularity
Calcium and magnesium are minerals that ____________________ acidity
Fill in the blank(s) with correct word
If a 3D printer increased in cost at exactly the inflation rate, what was the inflation rate if the printer costs exactly twice as much now as it did 10 years ago?
What will be an ideal response?
Because self-closing compression faucets have a tendency to receive too little water flow, one problem that can
occur with them is that _____. a. lubrication can be required to unstick the faucet b. the valve can work its way loose c. the supply line can dry out d. lime and other minerals can build up in the system