Read this passage from when birds get flu and cows go mad! by john diconsiglio. e. coli 0157: h7 is generally spread from undercooked meat. but you can also get it from drinking raw milk, unpasteurized apple juice, or unchlorinated water. and—very rarely—it can appear in fresh, leafy vegetables that have been exposed to water contaminated by manure. here’s how you can protect yourself from it. which best explains the purpose of the last line of the passage? to conclude the section above to signal the reader that steps will follow to summarize the information that follows to categorize the data in the paragraph above

to signal the reader that steps will follow.

Explanation:

The main purpose of the last line of the passage is to signal the reader that steps will follow.

In the first part of the passage, the author is giving some background information about the topic, which functions as an introduction to develop the main topic. The last sentence serves to trigger what the passage is actually concerned in, that is, the different ways in which contamination by this bacterium can be avoided. Thus, what the reader is expecting after the last line are some steps to follow.

tuttifroot

the quote relates to no dogs barked because the father and son learn a lot from each other. the theme is love because the father misses his son and they are trying to get to his mom where her dogs are barking.