which of the following is not an economic activity
teacher teaching in school
teacher teaching his child at home
teacher teaching in the coaching centre
none of the above
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Answer:
none of the above bro
Explanation:
don't know (◔‿◔)
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Answer:
the hard protective outer case of a mollusc or crustacean.
"cowrie shells"
Similar:
carapace
outside
exterior
armour
2.
an explosive artillery projectile or bomb.
"the sound of the shell passing over, followed by the explosion"
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