Answer:
The correct answer is -  a positive feedback loop
Explanation:
Oxytocin is a peptide hormone that is released during labor in women which contracts the uterus and n increase of the oxytocin causes more release of oxytocin hormone to increase the contraction more strongly.
Oxytocin shows a positive feedback loop as its release leads to more of the oxytocin release by stimulates its more release. Most of the hormones show negative feedback release.
 
        
             
        
        
        
Most of the light passes through glass but none of the light passes through metal.
        
                    
             
        
        
        
Answer:
The correct answer is Option d. They line up in the middle of the cell.
Explanation: 
Metaphase is a stage of mitosis in which condensation of DNA molecule into chromosomes occurs. During metaphase, nucleus is disappeared and chromosome becomes visible in the cytoplasm of the cell. There, the chromosomes line up in the middle of the cell. 
 
        
             
        
        
        
Answer:
me ;v;
Explanation:
School sucks and is kinda stressful-