C is the answer to question 22
Raw materials earn less profit than finished goods.
The following items can be considered as something that producers can offer to compete for more customers: Better Customer Service. The good you are to deal with your customers the more they will go back to you. Better Product Quality. Customers want the best for themselves and the producers are looking at what is best for their customers.
The answer is F.
An unsaturated zone is the portion of the subsurface above the ground water table where air as well as water are present in its pores.
Therefore the statement is false as the pores would not be totally filled with water.
Hope it helps!