1. The Nile River was essential to life in ancient Egypt. Its dangerous(blank)

and marshy (blank)

protected Egyptian settlements from invaders.

where is the passage?

can't without the passage.

post the full question.

answer: wait what

explanation:

the of atp are the key to its ability to store and supply energy;

phosphate

the phosphate groups of atp are the key to its ability to store and supply energy. atp releases energy when it breaks bonds between its phosphate groups.

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