Q: in the case that your a2r file doesn't open, it is highly likely that you do not have the correct software application installed on your pc to view or edit a2r file extensions.

A: In the case that your A2R file doesn't open, it is highly likely that you do not have the correct software application installed on your PC to view or edit A2R file extensions.
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Q: many of the movies that are available online and the videos that are captured from various dslr cameras are in .mov format.

A: Many of the movies that are available online and the videos that are captured from various DSLR cameras are in .mov format.
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Q: a researcher says that nanotechnology opens unimagined possibilities for mankind.

A:
A researcher says that nanotechnology opens unimagined possibilities for mankind.
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