Which scottish-born inventor opened a school to train teachers of the deaf in boston and later built a device to transmit the human voice through a wire?
a.
henry bessemer
b.
henry ford
c.
alexander graham bell
d.
gardiner hubbard
its c right?

the causes of the dust bowls were severe droughts,   lands became dry and hard, temperature was higher than usual, hot and dry conditions killed crops, high winds. because of those factors, the winds kicked up dry soil and created clouds of dust.