DNA and RNA are alike because they both contain nitrogen bases, they are both nucleotides , they both contain sugar, and phosphate
        
             
        
        
        
Temperature 
, humidity, 
wind
        
                    
             
        
        
        
Answer:
28
Explanation:
Binary Fission basically means each bacteria splits into two. So after the first two hours, the 7 bacteria split into 14. After the next two hours, the 14 bacteria each split and the end result is 28 bacteria.
 
        
             
        
        
        
Answer:
An acid is a chemical species that donates protons or hydrogen ions and/or accepts electrons. Most acids contain a hydrogen atom bonded that can release (dissociate) to yield a cation and an anion in water. The higher the concentration of hydrogen ions produced by an acid, the higher its acidity and the lower the pH of the solution. Hope this helps.
Explanation: