usually, ionic bond occurs between metal and non metal
here Na is metal and Cl is non metal 
so bond in NaCl is ionic bond
 
        
                    
             
        
        
        
The connection between the political situations in Iran and Nicaragua during the mid-1980s was both countries fought the USSR with weapons supplied by the United States. The correct answer is D. 
        
             
        
        
        
Explanation:
It should be Felis concolor - The genus name felis should be capitalized
 
        
             
        
        
        
Answer:
Because primary producers get 100% energy consumption straight from the sun.
Explanation:
We use the energy pyramid to help us out:
.01% - A pex Predators
0.1% - Tertiary Consumers
1% - Secondary Consumers
10% - Primary Consumers
100% - Primary Producers
Because Primary Producers get 100% of the energy of the sun, they can support so many primary consumers, who only get 10% of the energy when they consume primary producers.