Answer:
(a) 2
Explanation:
Two points will define a ray. One of them is the end point. The other defines the direction of the ray.
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Any line segment, ray, or line will consist of an infinite number of points. In each of these cases, 2 points is sufficient to define it.
Answer:
The crust is the thinnest layer and what we live on.
The mantle is the biggest layer
The outer core is the only liquid layer
The inner core is the hottest layer
Answer:
Explanation:
No actual diagram has been provided and none can be found online representing this question. Regardless, Rivers will always from based on elevation from the highest point to the lowest point due to gravity. That being said the vast majority of rivers on average have been found to flow east to west. This does not mean all rivers and varies on the elevation like mentioned before, the Amazon river instead flows west to east.
The answer is a political system