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Glossary
algae: a very basic form of
plant life, usually microscopic
crowd-funding: raising money
for a project from a large
number of people, usually on
the internet
database: a set of information
that is accessed using a
computer
nutrient: any substance that
provides nourishment for
a living thing
prototype: a model to test how
an invention will work
sediment: particles of soil along
with plant and animal matter
carried by water
toxic: poisonous

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The connects to grants problem because the app is to help un pollute the river and get other people to help him and try to un pollute other rivers too.

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DISSOLVED OXYGEN: This is the amount of oxygen in the water,
which aquatic life needs to survive. If the dissolved oxygen level becomes too low, river plants and animals will die.

PH: This is a way to measure acidity or alkalinity, a scale that ranges from 1 to 14 (under 7 is acidic, over 7 is alkaline). River water with a very low or very high pH can become toxic for aquatic life. River plants and animals need water that has a pH between 6.5 and 9.

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They put little holes in the protection barrier. Here is an image

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I think that the app would be a good idea because you access it at any time to see how the river is and how the conditions are and without having to watch the river.

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The challenges the students ran into while they were making the prototype. They had to make the app very easy to understand and had to think what buttons to use

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A prototype is a smaller virsion then the main version. It takes test to see if the creation will work if it does they will the main version but if something  goes wrong they will see we they went wrong and were they have to fix it.

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The reason Cows and rivers are a bad mix. because cows provide a lt of manure and there is a lot of nutrients and if there is to much nutrients in the river it will cause Algal bloom, and it will use to much oxygen giving the fish nothing to breathe in and the fish will slowly start to dissapear .

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Grant's ultimate goal was to produce more river watch devices to try and cure all our rivers because curing 1 river is not going to do it because there will still be those same fish in other polluted rivers and they will die if the don't do anything about it. Grant says in the text that sadly this technology is not so unique because in other polluted rivers these fish are struggling.

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I can identify what grant was trying to address. He was trying to address how polluted the water was and that there are native fish in there and if they die they will go extinct. Grant had to find away to cure this pollution before it was to late.

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I think this topic is about pollution,dairy farmers and rivers.