What is the oxidation number of O in PO43–? A. 0
B. –1
C. –2
D. –3
E. None of the Above

the answer is:  

line graphs show patterns in data with variables that change over time; whereas, circle graphs show data as parts out of a whole (such as out of 100%).

answer; capital earns interest; entrepreneurship receives a profit or incurs a loss;