平流层中的食物 – 1级

14-07-2023 15:00

有一群人。他们想把一块假糕点送上平流层。

他们使用一个大气球。气球里充满了气体。它带着糕点升空。它的高度达到29000英尺(8839米)。气球上还有一个摄像头。它可以拍摄有趣的视频。

两个小时后,热气球开始下降。人们发现了它。

t=”_blank” rel=”noopener”>平流层(大气层的一部分)。

您可以在3级部分观看原始视频。

 

该小组可以使用什么方法确保他们再次找到气球和糕点?

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