Rheumatoid arthritis is a disease that occurs when the body’s immune system starts attacking its own joint tissue. The symptoms are pain, inflammation, and swelling in the joints. Orthopedists (doctors who study bones) and immunologists (doctors who study the immune system) both work with patients who have rheumatoid arthritis. What is the difference between the orthopedists and immunologists who treat the disease?

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Explanation:

Generally speaking people who have arthritis and see an orthopedist, are there because they seek information on how to lessen the pain of there joints and bones. Because of the pain they have, usually fingers and hands, even wrists are the worst parts. So, doing daily tasks, that most people consider easy are hard for them. But with immunologists, they visit them because they seek answers no how to become healthy and not run the risk of having any more health complications. And if you weren't aware, arthritis is an autoimmune disorder, so it causes your body to attack cells. That's why the pain is so bad. That could be a cause of which people go to see immunologists, or for other reasons!

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d concave shape of wave rock

explanation:

the concave shape of wave rock is a very good evidence that supports the evolution of earth due to chemical weathering. if we talk about structure of   wave rock, studies have estimated that it is around 2.7 billion years old. it also serves as the foundation of evidence that it was the place where australian continent began to form.

how the structure of wave rock was created?

studies suggest that structure of wave rock was created when the surrounded area was started to weather due to which deposition of material started on the part of land which now contains wave rock.

the structure of wave rock is considered to be one of the best-known landforms in australia. at the height of around 15 cm, there can be found flared slopes which formulate the margins of hyden rock. it is now assumed by geologists that wave rock was created by subsurface water-induced weathering and not by glaciers, waves or wind.

due to deposition of material over the period of long time, the wave rock became tougher and tougher due to weathering from surrounding terrain. this makes it a physical evidence that supports   the evolution of earth due to chemical weathering.

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