Minerals, organic matter, water and air.
I’d say C.
A doesn’t make sense, they definitely could’ve domesticated animals in that time.
B doesn’t make sense either, they could’ve easily seen smoke signals, the sky wasn’t filled with them often.
C is just a weird answer. I doubt they were “passive observers” but probably the best answer to the question.
D doesn’t add up because they definitely needed agriculture/food surpluses. They were always hunting, they obviously ran out of food rather quickly.
So C is the answer.
Option a resident alien
resident it means coming from other place, not permanent, stranger or a foreigner
classification:
1)legal alien -tourists, legal permanent workers, student-visa, and guest workers
2)nonresident alien-tourist,on business,entertainers,sports people,under medical treatment
3)resident alien-temporary resident
4)enemy alien-national enemy
5)illegal alien- unlawfully authorized, overstayed and cross along the border line
The length is 88 cm, multiply the width by two and subtract it from the whole perimeter. Then divide the whole perimeter again by two to find the length of one side.
A.true; the earth's land surface is becoming insufficient to support the growing world population
