Inclusions are always older than the rock they are found in.
        
             
        
        
        
Answer:
a- CRCR frequency = 0.5
b- CRCW frequency = 0.3
c- CWCW frequency = 0.2
d- CR frequency = 0.65
e- CW frequency =  0.35      
Explanation:
Due to technical problems, you will find the complete explanation in the attached files. 
 
        
             
        
        
        
Factors that influence the reaction rates of chemical reactions include the concentration of reactants, temperature, the physical state of reactants and their dispersion, the solvent, and the presence of a catalyst.
Source: Google
        
             
        
        
        
The answer is (c). microspore.