Explanation:
To find the number of atoms in each specie, we consider the coefficient and the subscript of each of the given atoms. 
1. NaCl: 
Na  = 1 atom
Cl = 1 atom 
2. CO₂
C = 1 atom
O = 2 atom 
3. O₂ 
O = 2 atoms 
4. C₆H₁₂O₆ 
C = 6 atoms 
H = 12 atoms 
O = 6 atoms  
For the second part; 
1. 2NaCl 
Na = 2 atoms 
Cl = 2 atoms 
2. 3CO₂ 
C = 3 atoms 
O = 6 atoms 
3. 4O₂ 
O = 8 atoms 
4. 2C₆H₁₂O₆ 
C = 12 atoms 
H = 24 atoms 
O = 12 atoms
 
        
             
        
        
        
This answer will vary a lot, depending on who you will ask. If you're asking proponents of the LCHF (low carbs, high fat) diet, they would say you should reduce your intake of carbohydrates down to around 10 to 20 percent, making either A or C your desired answer.
If you would ask people who propose the current nutritional guidelines as the best way of eating, the amount of caloric intake that should come from carbs according to them would be more in the range of around 40%, making B the correct answer.
There isn't really any clear cut answer here. 
        
             
        
        
        
Answer:
operant conditioning
Explanation:
In operant conditioning, organisms learn to associate events that repeatedly happen together. The word "operant" should be changed to the word "classical." any relatively permanent change in behavior brought about by experience or practice.
hope it helps : )
please mark me brainliest
 
        
             
        
        
        
This would be called an ion. Tch.
        
             
        
        
        
Answer:
Mitosis duplicates cells
Explanation:
Without mitosis you would have never gotten pass the "zygote" phase. You would have stayed as a single cell. Mitosis makes you grow.