ASAP!! I need answers for the second part on this assignment. It starts on the second page. Just give me one of each and explain how to use them.

The world’s richest 20 percent of the population consume about what percentage of all goods and services in a given year?

Which finger should not be used when measuring heart rate?

*edit* i took the test and i picked a and it was incorrect for its c! rank the following suggestions for preventing std, in order of increasing effectiveness. 1) using latex condoms properly 2) using spermicidal foam or jelly with a monogamous partner 3) abstaining from sexual intercourse and genital contact a. 1, 2, 3c. 2, 1, 3