Scientists can use rocks to determine?
1. the mass of the earth
2. the size of the earth
3. the age of the earth
4. how much water is on the earth

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

Which of the following variables has the strongest influence on the variations found in american family life? a.race and ethnicity b.religious affiliation c.social class and culture d.education and occupation

Name three things the framers of the constitution did to keep the federal government or any part of it from becoming too powerful.