This is my cousins problem can you help his problem solved?

Which best summarizes what scientists learned about how microbes benefit the human body? they are part of a normal human ecosystem. they have become less harmful to humans than they used to be. they process nutrients, fight disease, and accommodate change. they humans overcome the effects of antibiotics.`

Write a composition using one of the topics listed below. your composition needs to be three to five paragraphs long. it must contain an introduction, a body, and a conclusion. • argue for or against the limitation of speed limits. • explain why a certain sport is your favorite. • compare and contrast driving in the winter and driving in the summer. • describe a single memorable day in your life. write a letter of complaint. follow the rules for a formal letter, and use the full-block style. the complaint may be about anything you wish (such as malfunctioning equipment, poor building maintenance, or disruptive noises from a nearby business). you can base your letter on a true experience, or you can make up all the details you need.

In approximately 200 words, summarize the main points of jackson kuhl's "innovations that changed building design."