Answer:
_________
Explanation:
Because a stationary front marks the boundary between two air masses, there are often differences in air temperature and wind on opposite sides of it. The weather is often cloudy along a stationary front, and rain or snow often falls, especially if the front is in an area of low atmospheric pressure.
 
        
             
        
        
        
The answer is C. Population size
 
        
                    
             
        
        
        
 There are inner part of the stem and outer part of the stem; in a plant the inner part supports the movement of the water and nutrients. You stop the flow of the vital elements of plant growth when you snap the stem and this is the reason why the plant die due to starvation of the nutrients. 
        
             
        
        
        
The answer is A and B.
Hope that helped you.
        
                    
             
        
        
        
Answer:
it shows the moderate to high intensity aerobic exercise may help to boost your thyroid hormone levels.it may help to speed your metabolism .
u can read this notes