Two developments in the past three decades have changed the way we think about risk measurement. What are they

Which term describes a possible explanation of, or answer to, a scientific question that is based on prior knowledge or research and that is testable?

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

Samantha is looking for a boyfriend. based on the gender differences explained in this activity, which is she likely to prefer?