Question

2) How does shape and color of roofs affect greenhouses in d reflection of light??

Answer 1

the roof determines the reflection of light and color of how how much of sunlight should get in as light colours reflect light and dark colours absorb light.
shape determines the direction of reflecting rays.

Answer 2

Explanation:

In short: it is the natural process that warms the Earth's surface. The process is called the greenhouse effect because the exchange of incoming and outgoing radiation that warms the planet works in a similar way to a greenhouse.