The most common cause is the accuracy of the measure instruments. And the observation of operator is also an important factor. That's why one measurement should do three times and use the average.
Evolution overs over time such that the best traits are being passed on from successive generations in every species or populations. We can compare these different species from a common ancestor. Evidences include fossil evidence, genetic evidence, comparative anatomy and more. These are usually shown in phylogenetic trees. Most apparent differences between wolves and dogs are their anatomy or morphology. Fossils support these. Behavior between them are different especially in terms of mental differences.
Best answer is A.
Answer:
dept of soil
range of temperature
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