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What are the two different ions present in the compound Al(NO3) 3
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The act of composing and sending brief electronic messages between two or more mobile devices or fixed or portable devices over a phone network.
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A portable device, often referred to as a mobile phone or smartphone, used for communication.
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The capacity to concentrate one's listening efforts on a specific sound while ignoring other surrounding noises.
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A phenomenon in cognitive psychology indicating that attention can be directed to a location without the need for the eyes to move.
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