Question

int x = 19; int main() { int x = 21; { int x = 41; cout <<::x<

Answer 1

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"