A Organização das Nações Unidas (ONU), surgiu após a II Grande Guerra Mundial, como forma de proteger a humanidade das guerras, das injustiças sociais, dos massacres. Mas, ela também atua: a) No progresso social e melhores condições de vida dentro de uma liberdade ampla e
democrática.
b) Somente nos países em conflito durante uma guerra.
c) Somente nos países que formam a liderança global (como EUA, Rússia, China, por
exemplo).
d) Em nenhuma nação, pois é impedida pelas nações em atuar em seus territórios.

"there will be differences in degree of mood elevation seen in depressed clients after receiving either cognitive-behavioral or psychoanalytic therapy."; in this hypothesis, mood elevation is the:

The animals in the food web release into the environment, which plants then use for a) oxygen: respiration b) carbon dioxide: respiration c) water vapor: photosynthesis d) carbon dioxide: photosynthesis

What is the difference between an observational study and an​ experiment? choose the correct answer below. a. in an​ experiment, a treatment is applied to part of a population and responses are observed. in an observational​ study, a researcher measures characteristics of interest of a part of a population but does not change existing conditions. b. in an​ experiment, a treatment is applied to an entire population and responses are observed. in an observational​ study, a researcher measures characteristics of interest of an entire population but does not change existing conditions. c. in an​ experiment, a researcher measures characteristics of interest of a part of a population but does not change existing conditions. in an observational​ study, a treatment is applied to part of a population and responses are observed. d. in an​ experiment, a researcher measures characteristics of interest of an entire population but does not change existing conditions. in an observational​ study, a treatment is applied to an entire population and responses are observed.