Answer:
While slavery was the major issue separating the North and South, it was not slavery itself that sparked the conflict. The South wanted to secede from the Union, and the North refused. While President Abraham Lincoln personally opposed slavery, he recognized that it was legal under the U.S. Constitution at the time. He also recognized that few in the North were ready to go to war to free the slaves. For Lincoln and the northern majority, preservation of the Union was the foremost goal.
Higher specific heat -Land
Lower specific heat - Water
Heats up faster - Land
Heats up slower - Water
Cools down faster - Land
Cools down slower - Water
The land is heating up faster, and also reaches higher temperatures than the water, but it also cools down much quicker, and reaches much lower temperatures than the water.
Answer:
20-30 feet (6-9 metre) in Japan