Tomato plants,cell wall, and something else
        
             
        
        
        
Answer:
It makes the dogs at a higher risk of health issues later on in life.
Explanation:
The dogs are usually only bred for looks. Their health is not taken into consideration.
 
        
             
        
        
        
Two limits to cell growth is by rates of protein synthesis and by the folding rates of its slowest protein
        
             
        
        
        
<span>The answer is  Due to heating of the air by the engine exhaust. Contrails are formed when the hot exhaust of the plane engines is rapidly cooled by the cold air in the upper atmosphere. The water vapor in the engine exhaust, formed in the combustion of fuel, freezes immediately to ice crystals due to the low pressure and -36oC  temperatures in the 8000 m altitude in which the planes cruise. </span>
        
             
        
        
        
They use a formula and that formula is 
People/Land Area=Population Density