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.
<span>Before launching the craft on 11 April 1970, several experiments wer made in oder better knowlegde and experience to be gained for the mission. The experiments included launching free-flying vehiclesto simulate landing on the Moon's surface. The Astronauts made simulations inside NASA facilities to be better prepared for the space.</span>
Cause communism is supposed to be the answer i did my research :)
<span>When it comes to what happened to the people's culture with migration patters, the answer is that as the people migrated the spread culture through diffusion. This means that their cultures mixed and new cultures were made by having cultures diffuse and mix and adopt elements of other cultures, but they would also lose some parts of their own that would get lost in time. </span>
