Answer:
1. is that shaking the bottle builds up pressure above the liquid, so that when the bottle is opened the extra pressure squeezes the liquid out more quickly.
2. The graham crackers and pineapple chunks becomes soft and mixed together.
3. Picking up a water bottle and moving it towards your mouth asks for a concentric muscle contraction. Concentric involves the muscle being shortened. Holding the water bottle still whilst you drink requires an isometric muscle contraction.
4. Yes, The food is completely digested and is absorbed by tiny blood vessels in the walk of stomach.
Explanation: I hope it helps, Pa brainliest mare hihi thanks!!