When a salt containing copper ions is analyzed by a flame test, a green flame is observed. Which of the following statements describes how the electrons produce the green colored flame?

Which of the following statements concerning the influence of culture on ethnic identity formation is accurate? a. one will reject ethnic identity if cultural stereotypes are encountered. b. if one’s ethnic city is different from the dominant cultural group, then one’s ethnic identity you will become weekend. c. if an the ethnic group is excepted by dominant culture, then ethnic identity formation can be a difficult process. d. similarity to the dominant culture can determine how easy it is for one to except ethnic differences.

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?