Question 10

One in five Americans will develop skin cancer by the age of 70.

This statement requires a citation because it presents a specific statistical claim regarding the likelihood of developing skin cancer, which relies on empirical research and data.

A) Prolonged sun exposure can result in a burn.

This statement does not require a citation because it expresses a general fact about the effects of sun exposure that is widely accepted and commonly known. It is considered common knowledge within the context of health and dermatology.

B) Some sunscreens have an SPF of 35 or higher.

This statement also does not require a citation since it refers to a general characteristic of sunscreen products that is widely recognized and does not necessitate specific data to support it.

C) One in five Americans will develop skin cancer by the age of 70.

This statement requires a citation because it provides a specific statistic regarding skin cancer incidence, which must be supported by credible research or data sources to verify its accuracy.

D) Exposed skin is susceptible to sunburn.

This statement does not require a citation as it conveys a general principle about the effects of sun exposure on skin that is well-established in medical literature and public health discussions.

Conclusion

The correct answer is C, as it presents a specific and quantifiable claim that needs to be substantiated with credible evidence. In contrast, the other options express widely accepted facts or general knowledge that do not require citations to validate their accuracy. This highlights the importance of citing empirical data when making definitive claims in academic and scientific contexts.