Final answer:
The best example of descriptive representation is a Latino politician elected from a heavily Latina/Latino district.
Step-by-step explanation:
The best example of descriptive representation is b. A Latino politician elected from a heavily Latina/Latino district. Descriptive representation refers to the idea that elected officials should reflect the demographics and characteristics of the constituents they represent. In this example, a Latino politician is better able to understand and advocate for the specific needs and concerns of the heavily Latina/Latino district.