Hey there!
Your answer would be C) Spring
Springs bring water from underneath the ground.
Hope this helps!
All mammalian teeth share a similar structure: 1) the enamel crown, formed by epithelial cells; 2) the dentin found underlying the enamel, formed by mesenchymal cells and containing a large collagen component; 3) the pulp, the organ generating/supplying the dentin-forming cells (odontoblasts), and also containing ..
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<span>when lysosomes bursts in the cytoplasm it enzymes will try to digest or break down the cell and organelle.</span>
Vestigal structures is the answer!!