Answer:
1. The theory posits that the force done by the big bang emits a simultaneous expansion of the universe from the given source. Hence a balloon that is inflated is similar to it as the dots appear to be moving away from each other.
2. The dots are not moving across the balloon yet they maintain the same position to the level that the balloon is only expanding.
3. Yes there is quite a change in size because of the expansion.
Explanation:
