Which statements explain reasons why unconformities occur? check all that apply. rocks along a fault break and move. igneous rock forms at earth’s surface. rocks erode and sediment is deposited. no sediment is deposited over a long time. igneous rock forms between sedimentary layers

Rocks erode and sediment is deposited, and No sediment is deposited over a long time.

Explanation:

The most common reason for the formation of uncomformity is erosion. The times of formation of the rocks above and below the uncomformity are different when no sediment is deposited over a long time.

The rock above the uncomformity are younger than the rocks below the uncomformity. Types of uncomformity are angular uncomformity, discomformity and non comformity.

In angular discomformity  horizontal sedimentary rock layers are formed above sedimentary rock layers that are in tilted position. Discomformity lies between two horizontal sedimentary rock layers. Non comformity lies between sedimentary and igneous rock layers or metamorphic rocks.

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explanation:

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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.