Use of trams during the second Industrial Revolution changed the standard of living by allowing wealthy people to move away from city centers and commute when they needed to.
Inca are the people who lived in peru, I think. Hope, I'm right
The correct answer is a hypothesis
In the scientific method, a hypothesis can be defined as the provisional or attempted solution to a given problem. The level of truth attributed to such a hypothesis will depend on how the empirical data collected support or not what is stated in the hypothesis. This process, known as empirical contrasting of the hypothesis, can be carried out through confirmation (in the case of universal hypotheses) or verification (in the case of existential hypotheses).
5 million collisions occur.
