These issues present challenges for regional urban areas: housing availability, pollution and rural migration. Housing availability is one, because there are many people looking for housing in those areas, pollution because urban centers often have industrial sites where toxic fumes are released into the air, as well as transportation pollution and rural migration, because people from rural areas come to urban areas often to look for jobs.
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Answer:
Option B
Explanation:
Special hyphae known as arbuscules are formed by fungi and these structure are formed in the phylum and roots of the vascular plants.
These perform the function of the absorption of nutrients and water from the soil promotes the growth of the plant.
The fungal hyphae helps in the physical binding of the particles of the soil together and creates stable aggregates that promotes the infiltration of water and improves the retaining capacity of water in the soil.
1. Climate Change.
2. Fire Ecology.
3. Renewable Energy.
4. Urban Ecology
5. Remote Sensing and Geographic Information Systems.
