Answer:
Correct answer is (C) Industrial Revolution
.
Explanation:
A is of course not a correct answer as people in Neolithic have very undeveloped system.
B is not correct although Second Agricultural Revolution happened in a similar period.
C is correct answer as industrialization led to improvements in the area of agriculture.
D and E are also wrong as they came later.
Answer: The answer is C). Nitrates
Explanation: Animal wastes and nitrogen-containing fertilizers are used to grow plants and they contain nitrates. Nitrogen exists naturally in soils, typically bound to organic matter and mineral soil material. When these fertilizers are used, they increase the concentration of nitrates in the environment, especially in the soil.
He underestimated the circumference of the world and he did not realize that there was something between Asia and Western Europe.