Derive & relation for the rate of 8low of 8 tloid (in terms of volume per second)
through a channel given thoid
) it depends
on the pressure gradient (change of
pressure with respect to distance), rodius
of the channel and the corricient
of viscosity (with dimensions ME! I-D

The answer is dolieron.

Ok i want u to explain this wth is that

The correct answer is
1. black death

a deadly plague that swept through europe between 1347 and 1351, it killed one third of european population, but the left food supply give chances to survivors for advancement.

and

2. smallpox

an eradicated virus that used to be contagious, disfiguring, and often deadly.