( ) (9) Toxic chemicals can harm our cells and trigger the growth of cancer in our bodies. ( ) (10) Last year, the World Health Organization urged governments to control artificial tanning. ( ) (11) The summer sun can be scorching, so it is important to protect your skin from burning. ( ) (12) Some people feel they are doomed to having skin cancer if their parents have had it. i. (v.) to recommend something strongly j. (v.) to make something happen suddenly k. (v.) to be certain to fail, suffer, die, or experience a terrible and unavoidable l. (adj.) very hot