Direction: The given pictograph represents the number of visitors at a zoo on a certain day. Time Number of visitors 10 a. m - 12 noon 12 noon - 2 p. m. 2 p. m. - 4p.m. 4 p.m. - 6 p.m. 6 p.m. - 8 p.m. Each represents 40 visitors. How many more visitors were there between \[\text{1}0\text{ a}.\text{m}.-\text{ 12}\] noon than those between \[\text{6 p}.\text{m}.-~\text{8 p}.\text{m}.\]?

• A.  40      
• B.                1                    
• C.  20                  
• D.    60