The oceanic crust and the continental crust have different densities. The density of continental crust varies but generally falls in the range of 2.6 to 2.8 g/cm³. The oceanic crust's average density is around 2.9 to 3.0 grams per cubic centimeter (g/cm³).
Oceanic crust, which is primarily composed of basaltic rocks, is denser than continental crust. This higher density is due to the basaltic composition, which is rich in iron and magnesium minerals.
The continental crust, which consists mainly of granitic rocks, has a lower average density compared to the oceanic crust. The lower density of the continental crust is primarily attributed to its granitic composition, which contains lighter minerals like quartz and feldspar.
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Answer:
38th parallel
Explanation:
Answer:
C
Explanation:
mid-ocean ridge or mid-oceanic ridge is an underwater mountain range, formed by plate tectonics. This uplifting of the ocean floor occurs when convection currents rise in the mantle beneath the oceanic crust and create magma where two tectonic plates meet at a divergent boundary.