The houses were built close together for a community spirit.
Answer: exposure to chemicals im not that sure but or fond of this
Explanation:
<span> After 1492, people and civilizations of long separated regions had started to gain their connections. Because of this, trades and expedition between one country to another started to happen.
This created a cross culture between one region and another and an exchange of tradition, arts, knowledge, and philosophy, which marked a turning point in the history</span>
Answer:
protection of air, land, water, biodiversity, and the renewable natural resources
Explanation:
Due to the urbanization and also the advancement of the technology in the 20th century, many natural resources like air, water, land and biodiversity started to get exploited.
There is the increase in the levels of the pollutants in air and water and land is being degraded. There is non stop use of the natural resources and not taking the care of their sustainability.
Thus protection of these natural resources emerged as a major issue then.
