Sends signals between the brain and body - Nervous Tissue
Protects the skin from bacteria and particles - Epethelial Tissue
Allows shivering to produce ear and maintain body temperature - Muscle Tissue
Provides structural support for the organs - Connective Tissue
I would say sea level but again im failing my grade idk
but i think its sea level
Answer: The answer is C
Explanation: C and G pair with each other and T pairs with A and A pairs with U
Hierarchy - I don’t think I have the full context of the question but the word fits the best of its biology related