Answer: In females, most of gametogenesis occurs during embryonic development. Primordial germ cells migrate into the ovaries at week 4 of development and differentiate into oogonia (46,2N).
Explanation:
 
        
                    
             
        
        
        
Answer:
nope!
Explanation:
it's a-seismic which means they don't have earthquakes 
 
        
                    
             
        
        
        
1) pathogen 
2) viruses 
Some bacteria are not harmful to your body hence not all of them are pathogens
 
        
             
        
        
        
I think Earth’s atmosphere plus atmosphere. So, 23+48=71. So, the answer is A
        
             
        
        
        
I think the answer is D. A good indicator is the resting heart rate. Exercise strengthen your heart and it makes it more efficient. The resting heart rate shows of the heart is pumping blood normally each time it contracts. Having a normal resting heart rate would mean a healthy heart.