Answer:
Sedimentary rocks are 100 million years old.
Explanation:
The age of the sedimentary layer is defined as the time elapsed since the material was deposited.
The answer is to this is D.) The Great Dividing Range.
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The answer to this is is Spain, France, and the Netherlands.
I think thats the answer. They helped the united states and Canada.
Whoch birds are migrating is my answer because, for a the birds are migrating because its winter for c birds are already going since one of the questions are where the birds are going, and d is that they are going there to not freeze, the only logical choice FOR ME is B