PREVIEW
... sked about something she didn’t understand, as usual.
"Go ahead." Xu Qingfan shifted his gaze from the scenery, and even though he had been daydreaming the whole class, explaining simple middle school physics was still easy for him.
"The teacher just said that the ice block floating on the water is because the buoyant force equals the weight of the water, so after it melts, the water level won’t change. But why do they always say on TV that when glaciers melt due to global warmin ...
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