The designers of the roller coaster carefully crafted this thrilling ride to be just that, but you’re actually in less danger than you think. You face a greater threat of injury playing sports riding a bike then you do on a park ride. amusement park rides use physics laws to stimulate danger, while the rides themselves Are typically very safe. Read the passage above. Use your previewing skills to predict with the rest of the text would say

i think the answer would be b. games

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invention of the washing machine

in the past, people used sticks and stones or scrub boards to clean their clothing. as it was sweaty, backbreaking work, we owe a world of to james king because he created the model for the modern washing machine in 1851. the most important issue was that this machine cleaned clothes while a person cranked the handle. doing this made people who used it develop strong muscles in their arms. later, in 1908, alva j. fisher created an electric washing machine named thor. this one was not the first automatic washing machine. however, it was one of the most popular models at the time.