Which of these is a compound?

Explanation:

Transpiration can be regarded as process involving water movement through a plant, it involves evaporation from aerial parts. These aerial part could be such leaves, stems or flowers.

A)Temperature

During the day period when the weather is hot there would be increase in evaporation of water from the leaves of plants, due to this transpiration is increased

B)Light intensity

When there is bright light, when the light intensity heat the plants, the stomata would be opened so that carbon dioxide is supplied for photosynthesis, and more water would be evaporated out through the leaves of the plant, then transpiration increase