Answer:
The scientific theory is a well-tested, broad explanation of a natural phenomenon that we use in everyday life
Explanation:
 
        
                    
             
        
        
        
Answer: the physical changes that occur in the body as sexual development reaches its peak 
Explanation:
Puberty refers to the transition of a child into an adult. It is characterized by several physical changes induced mainly by hormones. These changes include:
- deep voice in males; high pitch voice in females
- growth of pubic hairs in males and females 
- presence of thicker skin in males; delicate and lighter skin in females 
- emergence of breast in females, broad chest in males etc
 
        
             
        
        
        
Answer:
Thomas Robert Malthus (born 1766) was a British Reverand and Scholar,. He was nfluential in Political Economy and Demography. Between 1798 and 1826 Malthus published six editions of his famous treatise. THOMAS wrote a book called "AN ESSAY ON PRINCIPAL OF POPULATION." He became known for his theories on population and factors on population growth.
Explanation:
 
        
                    
             
        
        
        
Cell Replication happens in S phase
        
                    
             
        
        
        
<h3>Answer:</h3>
B] Meters per second
<h3>Explanation:</h3>
- We know that speed = distance ÷ time. So hour per km and second per Mile cannot be the unit of average speed. 
- Now the remaining options are <u>miles per hour</u> and <u>Meter per second.</u>
- In comparison with both of these; 
we know that metre per second is the SI unit of average speed and hence the answer is <u>meters</u><u> per </u><u>second</u>.