Answer:
Chemicals can attach more easily to soils with a higher content of clay and organic matter. In addition, sandy soils generally do not contain a large amount of soil organisms compared with other soil types.
Explanation:
 
        
                    
             
        
        
        
Probably not but I wouldn’t risk it
        
             
        
        
        
Answer:
5.9x10²² atoms of Cu are in one naira coin
Explanation:
To solve this question we need to find the mass of Copper. Then, using its molar mass (Cu = 63.546g/mol) we must find the moles of Cu and its atoms using Avogadro's number:
<em>Mass Cu:</em>
7.3g * 86% = 6.278g is the mass of Cu.
<em>Moles Cu:</em>
6.278g * (1mol / 63.546g) = 0.099moles Cu
<em>Atoms Cu:</em>
0.099moles Cu * (6.022x10²³atoms / 1mol) = 
<h3>5.9x10²² atoms of Cu are in one naira coin</h3>
 
        
             
        
        
        
Answer:
Like the inert gases(noble gases).
Explanation: