Answer:
The difference between the two trains is the direction in which they move.
Explanation:
Velocity incorporates not only speed, but also direction. In this case, both trains move at a constant speed each of 80 km/hr. However, there difference is that one is moving west, while the other is moving east.
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Andrew Jackson was the president during the nullification crisis.
False that’s false life is needed by many elements not just one while super nova might have a couple elements doesn’t have all of them
