Answer:
The European diseases affected the people of the Western Hemisphere greatly. Outbreaks of various diseases brought by the Europeans to the Americas such as smallpox, influenza, malaria, diphtheria, etc. It killed many of the Native Americans and disrupted their societies. Due to the diseases having been in Europe for a longer time, the people got more immune to them, however, this was the first time the Native Americans were exposed to it.
Due to them not being immune, the mortality rate for a Native American catching a disease was extremely high, much higher than they would have been if it was already introduced. The Native Americans also had very limited health care therefore were not able to be treated as well as the Europeans. Because of this, the diseases affected them for much longer periods of time.
Answer:
To study the element of geography is to study of the physical features of the Earth's surface and atmosphere, including how humans affect them, and the ways they affect humans.
I am not completely sure what this is asking but I believe it would be. That the evidence would be that the fish would be getting less oxygen hence causing noticeable breathing problems (probably best spotted by looking at the lungs).
The cattle dung can be recycled into a biogas plant and turned into biogas easily. there is not much else to do with cattle dung
Answer:
As altitude rises, air pressure drops. ... As altitude increases, the amount of gas molecules in the air decreases—the air becomes less dense than air nearer to sea level. This is what meteorologists and mountaineers mean by "thin air." Thin air exerts less pressure than air at a lower altitude.
