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If you drill a hole horizontally through the branch of a tree, you risk weakening the branch. For minimum weakening, drill the hole through the 1. upper.

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Presentation on theme: "If you drill a hole horizontally through the branch of a tree, you risk weakening the branch. For minimum weakening, drill the hole through the 1. upper."— Presentation transcript:

1 If you drill a hole horizontally through the branch of a tree, you risk weakening the branch. For minimum weakening, drill the hole through the 1. upper part, A. 2. middle part, B. 3. lower part, C. 4 … makes no difference.

2 If you drill a hole horizontally through the branch of a tree, you risk weakening the branch. For minimum weakening, drill the hole through the

3 Two identical boxes are brim filled with spherical steel ball bearingsone with uniform big-diameter bearings, and the other with half-size ones. If you pour water and fill each box, which will take more water? 1. The box of big bearings 2. The box of small bearings 3. Both the same

4 Two identical boxes are brim filled with spherical steel ball bearingsone with uniform big-diameter bearings, and the other with half-size ones. If you pour water and fill each box, which will take more water?


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