Answer:
I am pretty sure.. it's option B.
COBALT.
Earth’a temperature was too high for solid rock to form.
Answer:
because in biosphere when hydrosphere is disturbed means animals and plants in biosphere sometime Will miss water or watering will fails but also in atmosphere some factors like humidity and vapour will change
The ependymal cells line the ventricles of the brain. They compose a thin lining along the brain's ventricle cell, and the central canal of spinal cord. They are a type of glial cells. They play an important role in the production of cerebrospinal fluid.