The answer for your question is one that's "A)"
Answer:
Wooden Roller coasters are usually much loader than steel roller coasters because wheels ride more smoothly over steel than wood.
Great Sand Dunes National Park and Preserve is located in Colorado! :)
At 30 mph the tires may lose all contact with the road when there is standing water; if this occurs, there is no friction available to brake, accelerate, or steer.
Try to stay on the highest part of the road while it is raining heavily. Starting at roughly 35 mph, wet road conditions can cause tires to hydroplane or ride up on a film of water, which could result in a driver losing control of his or her car. Starting at roughly 35 mph, wet road conditions can cause tires to hydroplane or ride up on a film of water, which could result in a driver losing control of his or her car. As speed rises, the likelihood of hydroplaning increases. Tires may completely separate from the road surface after 55 mph.
Learn more about Speed and accelerate here:
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Answer:
A correlation is only a mathematical means of describing the relationship between variables. When it is a positive correlation, it means when the value of one increases, for example, the value of the other variable also increases or when one decreases, so does the other. A negative correlation would show that as one variable increases in value, the other decreases. These relationships are non-causal as you're not manipulating variables to control them to see what is causing this relationship. Sometimes, non-causal covariance (or variables that don't have an effect on each other vary cooincidentally in a pattern-like fashion, when there is actually another variable causing the relationship going on.
Explanation:
In the case of this example, it is doubtful that having money causes you to have a higher grade point average. So while we see an increase in grade point average with those who have high income it could be due to other factors, like people with more money have access to learning tools, tutors and other things that people with less money don't have access to. So it is access to tools, not money that is actually causing a difference. There are likely dozens if not hundreds of other potential confounded variables that could be causing this observation.
