B a glow stick is the answer
Answer: C. Medulla and Cortex
The nephrons are found at the cortex-medulla junction. There are what we call as the juxtamedullary nephrons and cortical nephrons referring to their designated locations. The juxtamedullary nephrons are involved in the creation of concentrated urine of a person.
It would be called a biome, like a tundra or a desert.
It's biotic, biotic is basically anything living
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