Melanoma rates are higher in areas of the united states with a high number of sunny days each year. melanoma rates have been observed to decrease in some countries in response to public health campaigns that promote regular use of sunscreen. other types

skin cancers

Explanation:

Based on this statement alone, it can be said that the "Other types" being mentioned are skin cancers. This is because the whole passage talks about Melanoma and in which areas of the United States it is mostly seen that individuals develop it. Melanoma is a type of skin cancer and usually appears as a mole or growth of an existing mole.

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