Nick Morgan is a scientist with the National Oceanic and Atmospheric Administration (NOAA). He is stationed at the South Pole Observing Station in Antarctica. Nick and his colleagues collect various measurements such as carbon dioxide and solar radiation levels to enable scientists to track changes and determine trends. Nick says, "The data we collect is also used to improve climate models so we can try to see changes in the future." Nick's research would be classified as .

Read the paragraph below and answer the question that follows. "andy was asked to speak in a school assembly about a fundraising opportunity for a fellow student who had recently been diagnosed with leukemia. andy's stomach hurt and his hands were cold. "steady man," he thought. "you can do this. it's for tim. he needs our ." andy could picture the students wanting to get involved. it occurred to him now that he wasn't just giving a speech. he had something worthwhile to say. which strategies did andy use to reduce his apprehension? select all that apply." be prepared. use muscle relaxation techniques. get experience. think positively. focus on communicating to the audience.

Which is relatively better: a score of 76 on a psychology test or a score of 22 on an economics test? scores on the psychology test have a mean of 90 and a standard deviation of 13. scores on the economics test have a mean of 52 and a standard deviation of 10.

This is the largest and most populous country of the caribbean region. puerto rico dominican republic cuba haiti