If there is no family history of a particular disease but a child has the disease as well as the responsible genetic mutation in every cell, then it may have arisen due to a(n) mutation early during development.

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c. the initial amount of money placed in the savings account

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.