I believe it’s A
but that’s just my guess
Answer:
Neptune
on 23 September 1846
by Johann Galle Urbain Le Verrier
Explanation:
Water vapor is also the most important greenhouse gas in the atmosphere. Heat radiated from Earth's surface is absorbed by water vapor molecules in the lower atmosphere. ... Some of the heat returns to the Earth's surface. Thus, water vapor is a second source of warmth (in addition to sunlight) at the Earth's surface.
The answer to the question above is the increase in trade.
The increase in trade contributed to the rise of cities in the High Middle Ages. The High Middle Ages, also known as the High Medieval Period, started from AD 1000 which lasted until 1250. The Renaissance period of the 12th century happened during this age.
