Answer:
3 mm is equal to 1.547244 inches. To do the calculation, use our online calculator. In the box next to “millimeters”, type 39.3. Once you have entered the number, the calculator displays the results. Once you have taken note of the numbers, click the reset button if you want to make other conversions.
Answer:A
Explanation: because i saw the sheet
Ultraviolet as ultraviolet light waves are around 420 nm like stated in the photo