Read this sentence from the main text:

While we figure out how to do that, feel free to let your dog lic k your face. Rover's microbes may just be saving your life one day.

What purpose do these sentences serve? (7 points)

To create awareness of how microbes affect all mammals
To increase compassion for all forms of life including microbes
To restate the main point and suggest microbes are all around us
To suggest we should avoid most microbes in our world