During the renaissance, cities like florence, genoa, and venice were important mostly because they were

a) places where artists thrived.

b) centers of trade and commerce.

c) home to the best universities in europe.

d) under direct control of the king of italy.

it allows shippers to carry commercial goods, which allows them to save time and money.

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

because they had ajdjdjdjdndjjs

the answer to your question is

the treaty of hopewell