Answer:
This is true
Explanation:
Because it mixes in with the earth making the earth more suitable for gardening and/or farming.
 
        
             
        
        
        
If the grade of the ore is 37.3% nickel, then the unknown quantity to get 10 grams of nickel is 0.373 x = 10 grams or x = 10/0.373=26.8 grams or 0.0268 kg needed to dig up to recover the 10 grams of nickel. At this grade of ore, 1 kilogram would yield 373 grams of nickel. 
        
             
        
        
        
Answer:
The correct answer is 6 possible states
Explanation:
 
        
             
        
        
        
The answer to this problem is quite simple, it’s 9
        
             
        
        
        
<h2>Answer:</h2>
Water (H2O) and Sodium (Na) are reactants.
<h2>Explanation:</h2>
2H2O+2Na......2NaOH+H2
In the above reaction the water (H2O) and sodium (Na) are reactants and sodium hydroxide (NaOH) and hydrogen are products.
And this is the single displacement reaction.