Science, asked by rudlaishram123, 3 months ago

__is a underground monitoring device
a) roller
b) Roof Bolter
c)both correct
d)none of the above

Answers

Answered by khatibmuzammil1983

1

Answer:

Both correct

Mark as brieniest

rudlaishram123: thankyou

Answered by meerab6500

0

Answer:

Roof Bolter

Explanation:

meerab6500: thanks

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