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which of the following statements about paleontology is true?

complete skeletons are usually found.
paleontologists work against archeologists.
single bones from different organisms can look alike.
artifacts can us understand the structure of past organisms.

Single bones from different organisms can look alike.

Explanation:

i would say this because it doesnt matter what animal it is they can have 1 or more bone that is exact size and length

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.