Answer:
When the entire lake reaches 40 F, the surface water cools further, dropping below 40 F. Because this water is now less dense than the surrounding water, it will stay on the top and continue to cool. Once the surface water falls to 32 F, it freezes. The freezing then spreads downward into the lake and the ice thickens
Explanation:
The Mongols spread the use of gunpowder.The Mongols controlled both China and Russia.<span>Pax Mongolica encouraged trade along the Silk Road. I would honestly say these are the main effects of the Mongol incursion into Europe and Asia plus the inadvertent introduction of the bubonic plague of infected rats from Asia to Europe.</span>
Answer:
b. may happen as regression brings rock closer to the Earth's surface.
Explanation:
The term metamorphism when applied to geology refers to the changes that occur between rocks that allow them to form into different rocks over a cycle. Within this process, there is a type of metamorphism known as retrograde metamorphism, which occurs when there is a regression that brings rocks close to the surface and promotes a decrease in temperature and pressure.
Problably grey and green. Grey for the importance of politics and green for the happiness social studies gives you.