Answer:
Continental crust. The continental crust is the layer of granitic, sedimentary and metamorphic rocks which form the continents and the areas of shallow seabed close to their shores, known as continental shelves. It is less dense than the material of the Earth's mantle and thus "floats" on top of it.
Explanation:
The labelled cell organelle is Mitochondria.
(B) Cellular Respiration
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