I would love to answer your question. However I cannot because I can not see any of your given options. Can you be more specific?
Explanation:
Bugs, chemicals, and all sorts of other stuff could be in the water if it isn't filtered out, and that could be a major problem for people.
Answer:
Denudation is a process that causes the wearing away of the earths surface by moving water, by ice, by wind and by waves. this leads to a reduction in elevation and in relief of landforms and of landscapes
<span>These are known as tephra, pyroclats or more generally as volcanic bombs.</span>
Answer:
B. Rapid development of technology.
Explanation:
Airplanes were not a thing yet. Railroads were still the main form of transportation at that time.
