The correct answer is - ozone.
The ozone is essentially three molecules of oxygen, or O³. This gas is crucial for the life on the Earth because it is the one that manages to filter out big portion of the UV radiation from the Sun which is extremely harmful if its too strong, as it will contribute to the dying out of pretty much every living organism.
While the ozone layer in the stratosphere is very useful, the ozone in the lower parts of the troposphere is actually considered as pollutant. The reason why it is considered as pollutant is because it is very harmful if inhaled, and it also heavily damages the plants.
Answer:
Town planning is a pattern of development of how a city evolves.
Explanation:
The town planners may ask or interview the general population by asking of their view about the setting up of a school in the area and regarding their behavior, they can judge their possible reaction to the school. After these maps may be drawn by doing surveys of the area and checking all suitable angles like the site and situation. Town planner needs to keep in mind the availability of resources in the region. As it should be kept away from crowded places and away from factories / Industries. Depending on the population of the area the school should have good access to the transport system.
Folk culture- the culture traditionally practiced primarily by small, homogenous groups living in isolated rural areas. Popular culture- the culture found in large, heterogeneous societies that share certain habits despite differences in other personal characteristics.
Answer:
i think it is helium is burned oxygen and helium is light
