I don't get it. What's your question supposed to be???
Time periods or blood periods or school periods.
Answer:
B. Rapid development of technology.
Explanation:
Airplanes were not a thing yet. Railroads were still the main form of transportation at that time.
Answer: The following is not an advantage of a constructed wetland for treating livestock wastewater:
<em>a) May facilitate mosquito breeding</em>
<em>e) Can be aesthetically pleasing</em>
It is an bionic ground to treat industrialized waste matter. It is fashioned for land restoration after excavation, or as a extenuation step for areas squandered to development .
<u><em>Therefore, the correct option in this regards are (a) and (e).</em></u>