Intramembranous ossification begins when aggregated mesenchymal cells differentiate into osteoblasts, which then produce osteoid. this process takes place in the dense irregular connective tissue of the

trachea, alveoli, lung capillaries, arteries

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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.

i got you i did it ya know what it is just needing to fill this in for a quick task!