Abnormal sperm shape, or ___________, can cause infertility.
A. motility
B. morphology
C. concentration
D. none of these
Question 2
The term labor force participation refers to
A. the number of people in a country who are working.
B. the percentage of people in a given country who are working.
C. the number of people in a country who are working or are looking for work.
D. the amount of active work done by each laborer.
