The use of aircraft had been useful in World War I. It may
not have been used as weapon however; the aircrafts were used to gather
information. There were also used as to look out for enemy camps. They used
message streamers in order to convey messages.
It is the other one It is the other one
I believe B. Let me know if i was wrong..
A hunter<span>-gatherer is a human </span>living<span> in a society in which most or all food is obtained by ...</span>Hunting and gathering<span> was humanity's first and most successful adaptation, ... This hypothesis </span>does<span> not necessarily contradict</span>