Answer:
Smallpox has had a major impact on world history, not least because indigenous populations of regions where smallpox was non-native, such as the Americas and Australia, were rapidly decimated and weakened by smallpox. During the 18th century the disease killed an estimated 400,000 Europeans each year, including five reigning monarchs, and was responsible for a third of all blindness. After successful vaccination campaigns throughout the 19th and 20th centuries, the WHO certified the global eradication of smallpox in December 1979. Smallpox is one of two infectious diseases to have been eradicated.
Explanation:
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No not really but they emerge and do so near each other
<u>Answer:</u>
<em>Energy is left behind the food chain starting with one trophic level then onto the next. </em>
In any case, just around 10 percent of the complete energy put away in living beings at one trophic level is really moved to <em>living beings at the following trophic level. </em>
The remainder of the energy is utilized for metabolic procedures or lost to nature as warmth. Energy that isn't utilized in a <em>biological system</em> is in the end lost as warmth.
<em>Energy and supplements are gone around through the food chain, when one creature eats another life form.</em>
Answer: Option A and D can best describe conglomerate sedimentary rock.
Explanation: Conglomerate sedimentary rock is a clastic sedimentary rock that contains large round clasts. The round shape is as a result of several turning from some distance by running water or waves during weathering. From the explanation of the conglomerate sedimentary rock we can say option "A" is true because the rock has large clasts coming together to form the rock, option "D" is also true because of the round edge characteristics / properties of the clast.
Answer:
C. Ageing infrastructure as exceptionally expensive to maintain.
Explanation:
Near the South Nation River lies the Galop Canal, the historical predecessor to the St. Lawrence Seaway. Galop Canal ran 12 kilometers from Iroquois to Cardinal. The nature of life along the St. Lawrence banks began to change and newer, larger, locks were built to ship larger amounts of cargo from the Great Lakes.