Answer:
sodium can form an ionic bond with fluorine
Explanation:
fluorine is f ;)
this happens because the sodium atom needs to lose an electron so the fluorine electron can join and create the bond. 
 
        
             
        
        
        
Answer:
A recent study has shown an increase in the number of predators in an ecosystem. Which of the following is not a possible cause for the growth?a.An increase in the land space availableb.An increase in the population of prey it feeds onc.An increase in the biodiversity of the ecosystemd.An 
Explanation:
 
        
                    
             
        
        
        
Hi there! Hopefully this helps!
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The answer to your question is the second sentence:
<em> </em><em>Atoms</em><em> in the star </em><em>begin to combine.</em>
 
        
                    
             
        
        
        
The following answer to the equation is landslides
        
                    
             
        
        
        
Answer:
c. our inhibitions and insecurities
Explanation:
The factors that influence what stimuli we notice and try to make sense of are
1. When some certain characteristics of external phenomena attracts our attention. There is an higher chance of noticing it --- things that STAND OUT.✔
2. An individual perception is controlled and regulated by the acuity of his/her senses. 
Take for example, a person with a better sense of smell, its more attracted to the aroma of a freshly baked chocolate cake than others -----acuity of our senses.✔
3. Change or variation attracts attention, as this explains why one might ignore a friend's chat but will swiftly notice when his/her friend is tensed. --- Change or variation✔
4. What an individual choose to notice is also regulated by their personality and inner thoughts as morives play a important role in what we see and miss out on.
5. An individual perceive what he wants to perceive ----- the self-fulfilling prophecy (deals with individuality and perception of one's self) 
Kindly note that the option c -our inhibitions and insecurities- does not influence what stimuli we notice and try to make sense of.