Read the excerpt from A Black Hole is NOT a Hole. I found lots of great information in science magazines, such as Scientific American, Astronomy, and Sky and Telescope. These led me to other useful resources. When it was time to get to the details, I looked at scientists' reports, along with summaries of the reports, in scientific journals. How can these scientific magazines be evaluated as credible sources?

According to a traditional legend, who founded the city of rome? a. helen of troy c. aristotle and plato b. romulus and remus d. julius caesar

1of the following choices, which one best describes one way that christianity came to east africa? a. christians traveled in caravans through the sahara desert and introduced the people of mali to a new religion. b. christian traders from the mediterranean interacted with the people of axum. c. christian military from west africa traveled across the continent to bring their religion to the people of east africa. d. christian rulers from asia traveled to east africa to bring their religion to the people. 2 which trade item from outside the region did west africans need most? a. gold b. camels c. salt d. iron

For each of the following examples of data, determine which scale of measurement is used. a) the number of miles joggers run per week. b) the starting salaries of graduates of mba programs c) the months in which a firm's employees choose to take their vacations. d) the final letter grades received by students in a math course.