The thick layer is the-crust
The Great Lakes — Superior, Huron<span>, </span>Michigan<span>, </span>Ontario<span> and Erie — make up the largest body of fresh water on Earth, accounting for one-fifth of the freshwater surface on the planet at 6 quadrillion gallons</span>
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Australia and Antarctica lies completely in southern hemisphere.
Answer:
A vertebrate is an animal or species distinguished by its possession of a backbone or spinal column. Vertebrates can be insects, fish, mammals, birds, reptiles, and also amphibians.
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