Answer:
the collision caused huge amounts of magma to rise within a few kilometres of the surface of North American...
Answer: D. It can melt to a depth of a few meters in summer, then refreeze in winter.
Explanation:
Permafrost is ground which remains frozen for two or more years. Permafrost consists of soil, rock and sand fused together by ice. Mostly found in areas in high altitude, the Arctic, Antarctica, it is common in periglacial environments where temperatures are below freezing
.
The topmost layer of permafrost can melt in summer and refreeze in winter. This thawing and refreezing produces a ground pattern called columnar joints similar to the one formed when molten lava cools.
Signed aggreements of trade
I believe it’s false because they were now exposed to competition from other stores, meaning they would do whatever they could in order to get what they wanted. That’s my opinion though but I hope it helps.
