Answer:
down below
Explanation:
 The western edge of the African Plate is a divergent boundary with the North American Plate to the north and the South American Plate to the south which forms the central and southern part of the Mid-Atlantic Ridge.
 
        
                    
             
        
        
        
Answer:
Some bacteria are used as indicators because if they are present in the product, we can say that it is a product with the presence of pathogens that will cause diseases. Some of them are: total coliforms, fecal coliforms and enterococci. 
To be a good indicator they must have a correlation with the pathogens and be more abundant than them. Its presence in a food indicates the possible presence  simultaneous pathogen microorganisms. For example, E. coli has been used as  Index of possible presence of pathogens of enteric origin in water and food
 
        
             
        
        
        
This answer to this question is true
        
             
        
        
        
Answer:
 mg of powder 1 and
 mg of powder 1 and  mg of powder 2
 mg of powder 2
Explanation:
Let "X" denotes weight of powder 1 added to the new mixture and  "Y" denotes weight of powder 2 added to the new mixture
Total weight of vitamin B1 in the mixture is equal to  mg
 mg
Total weight of vitamin B2 in the mixture is equal to  mg
 mg
Equation 1

Equation 2

Let us simplify the above two equations, we will get 


Substituting value of X in equation 2 we get 

 
        
             
        
        
        
Fungi act as decomposers on dead plants and animals so they don't vlog everything up! Hope this helps.