<span>the correct answer is A
</span><span>a) people from both classes suffered because of polluted air and water supplies.
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Coal was the source of energy for Britain factories. Coal, an extreme pollutant made Britain to be renowned for black satanic mills. Air, and water sources were polluted during the era, with environmentalist predicting that over a third of the deaths that time were related to the pollution effects.
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Nazis invaded the soviet union in 1941
<span>The primary finding was that their similarities are due to genes and not environmental as previously suspected. The differences between them are contributed to their environments.</span>
Ancient cyanobacteria released oxygen which assisted in creating the atmosphere as we know it today.
Answer:
Explanation: The main developments in nautical science and technology from the 1450s to 1550s, will be considered just in the so-called era of discoveries, where most European explorers colonized and conquered many settlements around the world. Creating this situation the need to innovate in the field of science and nautical technology, with the creation of inventions as important in the maritime and cartographic environment as were the compass and astrolabe, as well as innovation in problems of transport and manufacture of vessels such as the ships with a variety of masts, which were widely used by the conquerors at that time.
The scientific, technological, social and economic results were important and with a deep Roman and Byzantine seal, giving medieval Europe a political, social, military and technological power, which meant to countries such as Portugal, Spain, England and France the faculty of spreading throughout the world territorially speaking.
