C. They all contain a transparent part with at least one curved surface that refracts light.
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I guess the wavelength as the period becomes smaller the wavelength will decrease and frequency will increase all the rest should remain the same
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The biosphere. This is the layer that contains all life on the planet.
Answer:
Oceanic crust is denser than continental crust. At a subduction zone, the oceanic crust usually sinks into the mantle beneath lighter continental crust. (Sometimes, oceanic crust may grow so old and that dense that it collapses and spontaneously forms a subduction zone, scientists think.)
Explanation:
