What is the MAIN determining factor on how the different Native American groups met their survival needs?
A) trading with Europeans
B) leadership
C) gold availability
D) geography

B

Explanation:

the leadership was different from one other and all the others will have the same result bc they all live near by so gold  avability is will be the same geograhic will be the same bc the tribes are close in one area just split up and trading your going to get the same stuff

i think its B or D

Explanation:

it could be A but that's of the Europeans survived leadership they all did there part in a native American gold thats just non sense also D it could because how they grew there crops

incident infrared radiation is blocked. visible and ultraviolet radiation heat   earth.

earth radiates infrared radiation. infrared radiation is blocked and heats earth. visible and shortwave radiation heat earth.

earth radiates longwave radiation

longwave radiation is reflected downward longwave radiation heats earth