Answer:
Option D, Green roofs
Explanation:
Green roofs are also known as eco-roofs in which a vegetative layer is placed on a flat or sloped roof. Beneath this roof, a waterproofing system is also placed. These roofs have been categorized based on the length on the plantation. Some of the major benefits of green roofs are –
a) They are climatically oriented as they play an important role in regulating the temperature and purifying the air.
b) They prevent flow of rain water and saves energy.
c) Regulate the internal ambient temperature and urban heat island affect
d) Prevent particulate matter from the air
Hence, option D is correct
Answer:xylem andvphloem
Explanation
Vascular tissues are conducting vessels in plants.They are complex in structure.
The xylem.conduct water and minerals uphill from the soil to other parts of the plants
The phloem conduct products (nutrients)of photosynthesis ( glucose) down from the leaves to other parts of the plants.
Third planet from the sun
