Iceland is the most isolated because it is separated from the others by a larger distance across the ocean, and by deep ocean crust rather than just submerged continental shelf
Answer:Many scholars believe that the collapse of the Indus Valley Civilization was caused by climate change. Some experts believe the drying of the Saraswati River, which began around 1900 BCE, was the main cause for climate change, while others conclude that a great flood struck the area.
Explanation:
The answer is unsure to me because i don't see the examples above, but I'd go with d.
The first one I hope I helped
