Which civil war leader wrote and delivered an address at gettysburg that has been admired ever since as one of the best speeches in english language?

i believe

clean air is essential for health and survival

clean air provides nitrogen gas for plant respiration

clean air supplies oxygen that enables living organisms to breathe

hope this

i am brianly

sorry if this doesn't

answer; i do believe that its(gestation,suction-aspiration or vacuum aspiration;