13.
A farmer's land is full of weeds and wants them removed. He can do it by
A) spraying weedicides
B) manual removing
C) tilling
D) all of these
Ans
14.
The method of separation of grain from chaff is
Answers
Answered by
3
Answer:
all of these
option D is correct
Answered by
2
Answer:
all of them is the answer of 13.
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