水汽被大气运动抬升至凝结高度，液化成云滴，再进一步通过碰并等方式增长，直到空气浮力无法抵抗云滴自身的重力，云滴就降落下来形成了各种形态的降水，如雨、雪、冰雹、冻雨等。

Science paper divided into Biology, Chemistry, and Physics sections with detailed questions on plants, animals, genetics, digestion, and chemistry experiments.

Calcium (Ca) plays a fundamental role in carbonate weathering and the global carbon cycle. Carbonate weathering contributes ...

The Miami Dolphins won at the Jets when it was 41 degrees. But it will be much colder at Pittsburgh for Monday Night Football ...

A look at a chemistry error that caused significant consequences nationwide, explaining what happened, why it mattered, and the lessons learned from the incident.

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Forget the dusty, rusty landscape you see today. Billions of years ago, Mars may have been soaking wet. Tropical storms might ...

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The anticyclone that brought frosty, precipitation-free weather is leaving Kazakhstan. It is being replaced by a powerful cyclone. Fueled by moist air masses, it will bring precipitation in the form ...

Education Minister Zhuldyz Suleimenova has officially ruled out merging physics, chemistry and biology into one integrated science course in Kazakhstan’s schools, putting an end to months of public ...