<span>The answer is true. Based on the cancer death rates graph, males in
the United States showed higher lung cancer death rates earlier compared to
females from 1930-2000. The sources of
the graph are as follows: US Mortality
Public Use Data Tapes 1960-2000, US Mortality Volumes 1930-1959, National
Center for Health Statistics, Centers for Disease Control and Prevention, 2003.</span>
No it does not, carbon can be in many forms and locations.