Answer:
The presence of pillow lavas in the oldest preserved volcanic sequences on the planet, the Isua and Barberton greenstone belts, confirms the presence of large bodies of water on the Earth's surface early in the Archean Eon. Pillow lavas are used generally to confirm subaqueous volcanism in metamorphic belts.
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The typical number of parathyroid gland is four
I know that some plant cells are made from cellulose, and one of the main goals of the cell wall is to strengthen and support the cell. So, I think, the answer(s) are: cellulose and increased strength to the cell
