It seems that you have missed the given options for this but anyway, here is the correct answer. <span>The Atlantic Ocean is currently growing wider as its floor enlarges due to the process of sea-floor spreading. In sea-floor spreading, pieces of oceanic crust MOVE APART ALONG A DIVERGENT PLATE BOUNDARY. </span>
the first plants and anthropodes appear on land approximately about 470 million years ago
~Hello there! ^_^
Your question: What waterway is the most significant to the regions due to its vast resources..?
Your answer: Tigris River is the water way that is the most significant to the regions to its vast resources.
The answer is option C.
Hope this helps~
Can you be more specific thanks