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A leave typically consists of details such as the duration, start date, end date, reason for leave, and any required documentation or approvals. Additional information may include whether the leave is paid or unpaid, any benefits that may apply during the leave period, and the contact person or department to inform about the absence.
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When the hard parts of an organism decay and leave a cavity in the rock, a fossil mold can form. This mold is a negative impression of the organism's hard parts in the surrounding rock, preserving the shape and structure of the original organism.
A mold fossil forms when an organism's hard parts dissolve and leave a cavity that later fills with sediment, creating a replica of the organism's shape.
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Animal parts that are soft and don't have a skeleton leave the worst imprints. Fossils are made with animal parts that are hard and durable.