Why does the question "what are the causes and effects of natural disasters" relate to the article called planning an explosive study of mount st. helens

You are reading an informational text for english class, and you find a lot of words you don't know. your teacher says you don't need to look up all of them in the dictionary, only the ones you need to get the main point of the text. how could text features you figure out which words to look up?

Iwill give you 90 points read this entry from a blog about service dogs. lexie, an eight-month-old black labrador retriever, is sleeping quietly at my feet. i can’t but think that her soft, velvety ears and alert brown eyes would make her the perfect “doggie model” for pet magazines and pet store ads. however, lexie will soon have a much more important job to do. in a few months, she will become the loyal companion and service dog for a young man who has been blind since birth. she will him board public transportation, such as buses, subways, and trains, and she will him safely cross busy intersections. lexie will even the young man avoid obstacles, such as high curbs and low overhangs. like all dogs in our organization, lexie has undergone months of specialized training to a visually impaired person lead an active and independent life. what is the primary purpose of this blog? to inform readers about seeing-eye dogsto entertain readers with stories about lexieto persuade readers to support service dogsto convince readers to adopt seeing-eye dogs

The travels of marco polo. what is the author’s purpose for writing this text?