The following is an example of which type of text structure? "Whether you believe it or not, exposure to the radiofrequency fields released by cell phones is generally more than a thousand times higher than that from a home phone. Research has been conducted on the negative health effects of mobile phone exposure. The average cell phone user puts their phone in contact with several places where it can pick up germs. People also put themselves in potentially hazardous situations with their phones in hand. Small text and bright screens can strain cell phone users’ eyes. Long hours of cell phone usage can lead to high levels of stress."