15 degrees in each time zone 
        
             
        
        
        
Answer:
mandible
Explanation:
The only bone in your skull that forms freely movable joints is your mandible or jawbone.
 
        
             
        
        
        
Answer:
Variegation is inherited only from the female parent. 
Explanation:
Only the egg cell contributes cytoplasm with chloroplasts to the embryo. That’s how it got inherited.
 
        
             
        
        
        
The sensing component of the feedback system that senses the changes in the environment and generates nerve impulse is known as a receptor.
<h3>What are nerve receptors?</h3>
Nerve receptors can be defined as biological structures capable of converting external/internal stimuli to electrical impulses.
Nerve receptors include different types of cellular structures located in eyes, skin, mouth, nose, etc.
In conclusion, the sensing component of the feedback system that senses the changes in the environment and generates nerve impulse is known as a receptor.
Learn more about nerve receptors here:
brainly.com/question/25753221
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True: because it acts as a semi permeable membrane.