A. Rabeinu Gershom explains either the shaking or the noise.
***
Q. How much space does one need to plow for a vineyard ?
A. 4 amos.
***
Q. How much space is required between planting a tree and a pit ?
A. 25 amos.
***
Q. What are the liglugei of a mustard plant ?
A. Rashi - the flowers
Aruch - the seeds
Ri. - the branches.
***
Q. What is tzunma ?
A. Stone or rock.
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