Which layer of earth is like the shell of an egg?

The right option is: crust

The crust is the layer of Earth that is like the shell of an egg.

The crust is the hard outer shell layer of the earth that lies on top of the mantle. The earth’s crust is composed of different types of rocks which are; igneous, metamorphic, and sedimentary rocks. The crust is of two different types which are; (i) the continental crust (thicker and located under the land), and (ii) the oceanic crust (thinner and located under the ocean).

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answer: ice crystals in air

the water from the water body or another source of water gets evaporated as water vapor as an effect of heat on water. these water vapor rises in the upper layers of the earth atmosphere under high atmospheric pressure. the atmospheric pressure of these water molecules starts to decrease due to the effect of cold air. the invisible water vapor condenses into visible water droplets and ice crystals.these ice crystals and water droplets being less denser than the surrounding air floats on air as clouds.