When comparing the sequences of a homologous gene in four different species, one pair of species shows a 1% difference, whereas the other pair shows a 3% difference. Which pair diverged longer ago from their common ancestor and why?

Write a speech about a current practice - anything people commonly do in society today - that you think the people of the future will see as a form of discrimination. what are some practices that are legal today that you think limit people's rights? do you yourself feel you're being treated unfairly? you'll support your ideas with evidence you find through research. you'll also enhance your speech with audio or video.