Ablank is two or more substances that are together in the same place but are not chemically combined ? plz

A mixture  is two or more substances that are together in the same place but are not chemically combined

Explanation:

There are various kind of substances or matters, of which some are- elements, mixtures etc. Two or more than two elements that are together at a same spot but are not combined chemically, forms a mixture.

Substances of mixture retain its own properties without any chemical reaction between them. The mixture is always separable. Its substances can be separated if needed. One such example is of – Soup with vegetables.  

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answer: andy garner, a 17-year-old who decided to become a human guinea pig in 1965 and go without sleep for 11 days. by the second day his eyes had already stopped focusing, and he lost the ability to identify objects by touch. by day three he was moody and uncoordinated and by the end he had trouble with short term memory and had even started hallucinating.

and a rare genetic mutation called fatal familial insomnia, where people can’t sleep at all, gets progressively worse over months or years and leads to dementia and death.

a devoted soccer fan died after staying awake 48 hours to watch the world cup, she said. ‘while his untimely death was due to a stroke, studies show chronically sleeping fewer than six hours a night increases stroke risk by 4 1/2 times compared with those getting a consistent seven to eight hours.'

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