The American cancer society estimates that smoking causes approximately 87% of all lung cancer cases. <span>Smoking accounts for about 30% of all cancer deaths in the USA (like mouth, larynx, pharynx, oesophagus) including more than 80% of all lung cancer deaths. Lung cancer is one of the hardest cancers for treatment and the leading cause of cancer death in both male and female.</span>
Answer:
B) Random fluctuations in the gene frequencies within a population
Explanation:
Genetic Drift Examples. Genetic drift is a change in the frequency of an allele within a population over time. This change in the frequency of the allele or gene variation must occur randomly in order for genetic drift to occur. ... Examples of genetic drift are more evident in smaller populations of organisms.
The answer to this quetsion is A. The scientific methid is a very scientific method. And it is ordered in a scientific way.
