The agricultural practice of irrigation leaves behind which pollutant in the soil?
O A. Salt
B. Acidic compounds
C. Nitrogen compounds
D. Pesticides

The answer is Salt !!

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000