At birth, the spine consists of 33 bones, 9 more than an adult. What happens to these extra bones?

*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

Can easily sweep pedestrians and vehicles downstream. 1 high winds 2 rain 3 floodwaters

Describe the impact of the game of american football on society in the u.s. and elsewhere.