Science
This is true because humans can only know so much due to unexplored lands, water depth, and evidence of extinction being hidden.
I think it's A....hope that helps at least
I am not sure if this question means the adjective form or the adjacent form? However, a Schwann cell is a type of glial cell and its main function is to support neurons. Adjacent to the Schwann cell are nodes of Ranvier which are gaps in the myelinated axons, and are believed to assist in potential generation among other things.
Answer:
I would believe it to be C
Explanation: