They are arranged in shells
.90 dL is 90 mL because 1 dL is 100 mL
Answer:
the deep sea floor. Known as the oceanic crust.
Explanation:
The deep seafloor (the oceanic crust) is made almost entirely of basaltic rocks, with peridotite underneath in the mantle. Basalts are also erupted above the Earth's great subduction zones, either in volcanic island arcs or along the edges of continents.
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Answer:
Hello, Your answer is <em>B) Making observations</em>
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