The answer would be new theories come up and are replaced by the older inaccurate theories. Obviously this theories are checked by scientists over and over and over again to see if they can make it more accurate and better.
Answer:
It impacted the world greatly by making the economy lower, but it also made employment rates go higher and people started being more effortful. There is more, because it was the deadliest war in history but those are the main ones!
Explanation:
Hope this helped! - aether
Answer:
The Correct Answer Would Be No force is needed
Explanation:
an object in motion stays in motion.
<u>Newton's first law of motion</u> - sometimes referred to as the law of inertia. An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.
Speed = distance / time
Distance = speed x time
3 hours + 1.5 hours = 4.5 hours
4.5 hours
Distance = 4.5 x 5 = 22.5 miles away
