Identify three processes in which a rooftop garden can reduce the heat absorbed, compared to an asphalt roof.

Question

(Select the three correct answers.)
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2 points
The garden and plants have more mass than the asphalt.
Plants release water vapor whereas asphalt does not.
Soil is natural and asphalt is man-made.
A garden insulates the building from heat better than asphalt.
Unlike asphalt, soil contains carbon dioxide.
The gardens and plants have a higher albedo than asphalt.

Answer 1

The three correct answers are:

1. Plants release water vapor whereas asphalt does not.
2. A garden insulates the building from heat better than asphalt.
3. The gardens and plants have a higher albedo than asphalt.

These processes contribute to reducing heat absorption in rooftop gardens compared to asphalt roofs.