The lens of the eye loses its with age and cannot change from viewing distant objects and close objects as readily as before.

Explain what causes the skin to burn in the sun? explain why people should avoid the sun if taking a photosensitive medication?

*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

Building muscle has which of the following effects? it increases the metabolic rate. it relieves pressure on the joints. it slows weight loss considerably.