Answer:
Cleavage and fracture are not commonly used to identify minerals
Answer:
D, Sulfur
Explanation:
https://www.coursehero.com/file/13827102/PERIODIC-TABLE-QUESTIONSANSWERS/
It is covered in skin.
This skin excretes a mucous layer which keeps it moist and also acts in protecting the animal from pollutants.
Your spinal cord works like a Telephone wire, sending messages back and forth between your body and your brain.
They are prokaryotic cells....