Q: it is a difficult and sensitive matter. if the finds are buried, we lose an important resource in understanding our common past, emigration, evolution, and diversity.

A: It is a difficult and sensitive matter. If the finds are buried, we lose an important resource in understanding our common past, emigration, evolution, and diversity.
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Q: the discs leave a clearly visible mark for following operations and can be adjusted for position and cultivation effect.

A: The discs leave a clearly visible mark for following operations and can be adjusted for position and cultivation effect.
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Q: the word clearer can also spot-check the student.

A:
The word clearer can also spot-check the student.
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