Snowflakes are formed by water droplets freezing onto bits of dust in the atmosphere, but they come in many different shapes. The most well-known is the six-pointed, star-like snowflake, paper versions of which can be found in the windows of many classrooms. But some snowflakes are simple six-sided disks, and others are tiny six-sided columns. Two main factors determine the shape of an individual snowflake crystal: the temperature and level of moisture in the air. Colder temperatures, below -22°C (-7.6°F), produce simple disks and columns. The familiar star-shaped crystals form in warmer temperatures. And moister air gives rise to more complex shapes with more branches and details.

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Snowflakes are formed by water droplets freezing onto bits of dust in the atmosphere, but they come in many different shapes. The most well-known is the six-pointed, star-like snowflake, paper versions of which can be found in the windows of many classrooms. But some snowflakes are simple six-sided disks, and others are tiny six-sided columns. Two main factors determine the shape of an individual snowflake crystal: the temperature and level of moisture in the air. Colder temperatures, below -22°C (-7.6°F), produce simple disks and columns. The familiar star-shaped crystals form in warmer temperatures. And moister air gives rise to more complex shapes with more branches and details.
Which organizational structure does this text primarily use?

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GPT-4o mini · Answer

The organizational structure used in the text primarily follows a **key idea** structure. The text introduces the key idea of how snowflakes are formed and details the factors that influence their shape (temperature and moisture), providing specific examples of different shapes that result from varying conditions.