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Physics, 24.10.2021 14:00 birdman2540

Câu 1. Trường hợp nào dưới đây không phải là vật sáng? A. Chiếc bút chì đặt trên bàn giữa ban ngày.

B. Chiếc bật lửa rơi giữa sân trường lúc trời nắng.

C. Mặt Trời.

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