How can you protect earths systems?

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

Synesthesia is a phenomenon that has been estimated to occur in only a few people in a million. because of its rarity, researchers are likely to choose which research method to study it?

The u.s. president is elected by the electoral college, and the prime minister is the leader of the majority party elected to parliament. although neither are directly elected by the people, they are both put there indirectly by the voice of the people. do you think this is an appropriate structure for a democratic society? why or why not?