Maria mitchell was the first professor hired at vassar college. she was also the first woman elected to the academy of arts and sciences.

a. chemist
b. astronomer
c. journalist
d. physician

I think the answer you're looking for here is B, but i am not entirely sure.

I hope this helps and that you have an amazing day!

by improved communication.

the dominoes began to fall. the surrender at appomattox took place a week later on april 9. while it was the most significant surrender to take place during the civil war, gen. robert e. lee, the confederacy's most respected commander, surrendered only his army of northern virginia to union gen. ulysses s. grant

explanation: