QUESTION IMAGE
Question
which is an example of plasmas in nature?
o solar cells
o plasma balls
o auroras
o clouds
Brief Explanations
等离子体是物质的一种状态,极光(auroras)是自然界中等离子体的例子。太阳风带来的带电粒子与地球高层大气中的原子和分子相互作用形成极光,这些粒子处于等离子体状态。太阳能电池(solar cells)是利用光电效应将光能转化为电能的装置;等离子球(plasma balls)是人工制造的展示等离子体现象的装置;云(clouds)是由水汽凝结成的小水滴或冰晶组成。
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C. auroras