Why is severe dengue fever a risk in some parts of southwest Asia?
A it has a warm climate and many urban areas
B it has a cool climate in many urban areas
C it has a warm climate and many rural areas
D it has a cool climate and many rural areas
A it has a warm climate and many urban areas
B it has a cool climate in many urban areas
C it has a warm climate and many rural areas
D it has a cool climate and many rural areas