Why is the roof of the hearst tower designed to collect rainwater? check all that apply. 1. to reduce the amount of water dumped into the city’s sewer system 2. to replace water lost to evaporation in the office air-conditioning system 3. to add drinking water to the water fountains 4. to irrigate the plants and trees throughout the 5. building to humidify and chill the tower’s ten-story atrium

The right options are;

1. to reduce the amount of water dumped into the city’s sewer system

2. to replace water lost to evaporation in the office air-conditioning system

4. to irrigate the plants and trees throughout the building

5. building to humidify and chill the tower’s ten-story atrium.

The roof of the Hearst Tower has been designed to collect rainwater in order to reduce the amount of water dumped into the city’s sewer system during rainfall by 25percent. The rainwater obtained is conserved and used efficiently. The rain water is used to replace water lost to evaporation in the office air-conditioning system, to irrigate plants and trees within and outside of the building and it also serve to humidify and chill the tower's ten story atrium as required.

answer: 45

explanationyou have to add as well to be it could be

the supermassive black hole is in the middle of the galaxy.