Imagine that this chart showed the population in the 1800s as well. what would the population be in 1870 if it showed 7.25 stick figures? the population was less than 7 million. the population was 7.25 million. the population was 72.5 million. the population was 725 million.

As you drive in to school, you hear a random radio-show caller arguing that sun exposure really has not been shown to cause skin cancer and that some research suggests that skin cancer is completely genetic and not related to sun exposure at all. at the time, you think that this is a silly argument and that the caller does not know what she is talking about. however, two months later, you are outside without wearing sunscreen, and you find yourself remembering that you had read something about how the sun actually does not cause skin cancer. this process is evidence that has influenced your attitude