The answer is: [C]:
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"<span>because dead animals that fall into water are more likely to be in conditions that allow fossilization" .
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Id say D
as the tide range may affect at how close to the sea a species can live without being submerged by the tide
length of exposure can determine what species can live on the shore as they may be submerged underwater for different periods of time
wave action can also determine what species can live on rocks as depending on the action it will favour diffrent species
hope that helps
The answer would be the muscle fiber because it's the small part of the contracting unit.