Answer:
agriculture and livestock
Explanation:
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.
The light moths got killed of because they were more visible so only the dark peppered moths had a chance to reproduce witch Lead to their being more dark ones
Answer:
A
Explanation:
Acid deposition would most likely result in the release of aluminum ions from soil
The movement of tectonic plates causes a variety of geological changes, the most obvious of which would be earthquakes. These plates are pretty big, and when they scrape along the top of the earth, they can cause quite the seismological tremors.
Also, they can generate either trenches or mountain ranges along faults (the cracks between two plates).
Hope that helped =)