Guys! Who can help me with this What happened with the middle class of america?

In her notes, celeste wrote that the human body systems consist of molecules, cells, tissues, organs, and organ systems. what problem will celeste have on her body systems test when she studies this information? she forgot to list organism as a level. she should have written chemicals/molecules. this is not the correct sequence. these are not body systems.

Why is the continuous presence of police officers and vigilant members of the public an ineffective crime prevention strategy? *criminology*

In the base year in a small island macroeconomy, nominal gdp was $400m. in a later year when the general level of all prices was twice as high, nominal gdp reached $1000m. between the base year and the later year: ( there can be multiple answers) -real gdp declined -there was real gdp growth by more than 100% - inflation occurred - there was real gdp growth but by less than 100%