The menstrual cycle is complex and controlled by many different glands and the hormones that these glands produce. 
The four(4) phases of the menstrual cycle are:
(1) menstruation.
(2) the follicular phase.
(3) ovulation .
(4)the luteal phase. 
Common menstrual problems include heavy or painful periods and premenstrual syndrome (PMS).
 
        
             
        
        
        
A comet always points in the opposite direction of the comet hence why it’s called the tail
        
             
        
        
        
Answer:
Translation
Explanation:
When assembled in the nucleus, mRNA peels off and moves to the cytoplasm. Here, it attaches to a ribosome. As the mRNA  moves along the ribosome its information is translated into the appropriate amino acids which are assembled into a polypeptide.
 
        
             
        
        
        
Among the following the benefit of using agroforestry in a tropical rain-forest climate is that growing trees provides a boost in crop output for a short time.
Answer: Option A
<u>Explanation:</u>
Agroforestry is a kind of practice in which trees are grown along with the crop which benefits the crop; there is different alley cropping, silvopasture and forest cropping. 
Combining forests and agriculture seem to perform many benefits to the farmer. This type of practice has enabled farmers to show nutrient cycling, crop productivity and change in the micro climate of the place.