What is the focus of ecology?
a. the impact of smaller families on feelings of personal responsibility
b. interactions between living organisms and the natural environment
c. reactions of governments to food shortages and high unemployment
d. changes in social institutions as countries become industrialized

The pizza delivery boy was neither early nor late he was right on time. question 12 options: (a)correct as it is (b)the pizza delivery boy was neither early nor late, he was right on time. (c)the pizza delivery boy was neither early nor late; and he was right on time. (d)the pizza delivery boy was neither early nor late: he was right on time.