A rescue helicopter had to fly in a windstorm to pick up some injured hikers. The helicopter could normally fly at a speed of sixty miles per hour (60 mph). On the trip to the hikers the helicopter was flying with the wind, and on the way back it was flying against the wind. The helicopter could fly 45 miles with the wind in the same amount of time it could fly 35 miles against the wind. How fast was the wind blowing?

answer:

sometimes

*i think

step-by-step explanation:

answer: the sun

explanation:

water cycle describes the evaporation of water from earth's surface, formation of clouds and precipitation water back onto the surface of earth. seventy percent of the earth is covered with water in the form of seas and oceans. the heat of the sun causes the evaporation of water from the surface of the ocean. the water vapors rise and condense to form water droplets. the collection of these water droplets form clouds which rain down again.

the evaporation of the oceans surface water as part of the water cycle is caused by the sun