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Correct answer:brainlist
Nonsense:report
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Pa help po ulet plss
Salamat po
Correct answer:brainlist
Nonsense:report
Thank you po
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Answer:
«1»Observing users interacting with a product can be a great way to understand the usability of a product and to some extent the over all user experience. Conducting observations is relatively easy as it doesn't require a huge amount of training and it can be relatively fast...depending on the sample size of users you intend to observe.
«2»Indeed a phase of matter will transfer into a new one if you created a combination of a mixture cooperatively. Unless, if the two components mixed together without any results or outcome of it, it can possibly be considered as Physical change.
«3»No, cause it depends of the substance, most liquids when mixed to other liquid will change its color and its sized compared to solid state substance.