It is true that rock layers can be correlated to each other by using fossils and matching layers.
This is because these rocks have similar, if not the same layers, which can easily be determined by the fossils that may appear on them and just using them to match the layers to see if they can correlate.
No whales are mammals they dont lay eggs
the answer is C or the third one down, Layer A is the outer core because its made of iron and nickel
Answer:
D) an open watershed.
Explanation:
A watershed is defined as an area of land where all the surface water drains into the same place, whether it's a creek, a stream, a river or an ocean. ... An open watershed eventually drains into the ocean, whereas water in a closed watershed can escape only by evaporating or seeping into the earth.
oxygen is the correct answer