từ sự hiểu biết của anh/chị về cái đẹp ( với tư cách là một phạm trù mỹ học),anh/chin hãy giải thích về sự tồn tại của nghệ thuật trong đời sống tinh thần của con người

Pj conducts an experimental study on the effects of soft music during high stakes science testing. he randomly assigns students at the school. in one condition he does not provide music for testing while in the other group he does provide the music. he administers a pretest at the beginning of the year and a posttest at the end of the year. pj’s design is best described as a: a.static group comparisonb. pretest-posttest control group designc.control-group-time-series designd. nonrandomized control-group pretest-posttest design

In the introduction of becoming mexican american, sanchez draws from stuart hall's notion of cultural identity (pg. 12-13). hall asserts that identities are enmeshed in "becoming and of being." they are subjected to the elements and context of history. explain what you think he means by the idea of becoming and being and explain how context fits into comprehending the american concept of manifest destiny.

The middle east has very limited fresh water sources in the form of rivers such as the nile, jordan, euphrates, and tigris rivers. however, these rivers are only located in a few countries. which country does not have one of these rivers within its borders?