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:
D. it takes millions of years to form
Answer:
False.
Explanation:
Three domains of life are bacteria, eukarya and archaea. The prokaryotic organisms are involved in the bacteria and archaea. Eukaryotic organisms are included in the domain eukarya.
The archaea are more similar to eukarya than bacteria. The cell walls of the archaea are made of glycerol-ether lipids. The phospholipids of archaea are built on a backbone of sn-glycerol-1-phosphate. Archaea lacks the peptidoglycan layer in its cell wall.
Thus, the answer is false.
