<span>The control group would not receive any medication or they would be given the salt solution without any drugs with it (basically a placebo). 
A dependent variable is a variable dependent on another variable: the independent variable. In simple terms, the independent variable is said to cause an apparent change in, or simply affect, the dependent variable. 
The variables you have are what the rats are feed (their diet), number in cage, size of the cage (things such as a smaller care with more within it should cause undue stress), what they are exposed to within their environment. Even things sun as amount of light within the room, the temperature of the room, etc. </span>
        
             
        
        
        
<span>Sodium chloride is an example of an ionic compound. An ionic compound is composed of a positively charged cation and a negatively charged anion that are held together by their attractive forces. For table salt, Sodium chloride, Sodium is the cation and Chloride is the anion. </span>
        
             
        
        
        
Answer:
The missing word is Repair.
Explanation:
It is known in medical parlance that if handled correctly, DNA repair can lead to correction of the diseased gene.
The known/major methods for gene repair are:
- repair of base excision
- repair of nucleotide by excision and 
- mismatch repair.
Nutritionists some nutritions also claim that certain foods such as strawberries, celery, broccoli, and even lemon can help repair DNA.
Cheers!
 
        
             
        
        
        
Animals release carbon dioxide (CO2) into the atmosphere through the process of respiration.
 
        
             
        
        
        
Answer:
Pathway of air: nasal cavities (or oral cavity) > pharynx > trachea > primary bronchi (right & left) > secondary bronchi > tertiary bronchi > bronchioles > alveoli (site of gas exchange)
Explanation:
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