The following that would a scientist studying fossils be most likely to examine is a skull fragment Option(a) is correct.
What are Fossils?
A fossil 'gotten by digging is any saved remaining parts, impression, or hint of any once-living thing from a past topographical age. Models incorporate bones, shells, exoskeletons, stone engravings of creatures or microorganisms.
Fossils differ in size from one-micrometer (1 µm) microscopic organisms to dinosaurs and trees, many meters long and weighing numerous tons. A fossil typically saves just a piece of the departed living being, generally that segment that was to some extent mineralized during life, like the bones and teeth of vertebrates, or the chitinous or calcareous exoskeletons of spineless creatures.
Fossils may likewise comprise of the imprints abandoned by the living being while it was alive, like creature tracks or defecation (coprolites). These kinds of fossil are called fossil footprints or fossils, instead of body fossils. A few fossils are biochemical and are called chemofossils or biosignatures. In view of their artifact, a startling special case for the adjustment of an organic entity's tissues by substance decrease of the perplexing natural atoms during fossilization has been the disclosure of delicate tissue in dinosaur fossils, including veins.
Therefore Option(a) is correct.
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