PDF chapter test TRY NOW
1. Why are heavy bags provided with broad straps?
a. Bags are provided with broad straps to pressure on the shoulders.
b. Increasing the area of contact the pressure.
2. How does surface tension help a plant?
a. Surface tension causes water molecules to .
b. The water ascend upward due to .
3. Which has greater viscosity, oil or honey? Why?
a. Thicker liquids are viscous than the thinner liquids.
b. Honey has viscosity.
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