Stars begin to form from clouds of gas in space. The cold temperatures and high densities (compared to elsewhere in space, but would be considered a vacuum on Earth) of these clouds allow gravity to overcome thermal pressure and start the gravitational collapse that will form a star.
(4) organisms in a changing environment must adapt to acquire necessary traits and survive
Have flat bases and are often described as "puffy", "cotton-like" or "fluffy" in appearance.
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