Biology, 27.10.2020 14:00 gracye

What properties of water make it important to organisms

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Answer from: havennn

Greetings!

Properties which make the water biologically important are,

Behaves as best solvent :- Water has a polar nature so many polar substances particularly ions dissociate into ions and then dissolve in water. Many non polar substances are also dissolved as all the chemical reactions take place in waterHigh heat of specific capacity :- It has high heat of specific capacity that means it needs a lot of heat to raise the temperature of 1 gm of water by 1 degrees CHigh Heat of Vapourization :- Due to Hydrogen bond it needs alot of energy to change it into vapours.As an Amphoteric Molecule ;- It acts as amphoteric molecule that is IT GIVES UP ELECTRON TO FORM $H^{+}$ AS ACID or GAINS UP ELECTRON TO FORM $OH^{-}$ AS BASE. So Water acts as buffer solutionCohesive Forces in Water Molecule ;- Cohesive Forces are strong as they are polar in nature they attract each other to form chain, and this chain dont break apart.

I HOPE THIS HELPS YOU

Answer from: Quest

Confused on question what should we be answering

Answer from: Quest

estuaries are the partially enclosed coastal bodies of brackish water formed at the mouth of sea where river meets an ocean. it is a transition zone between river and sea water so estuaries are influenced to both marine environment such as tides, waves and to riverine such as flow of fresh water and sediments. the mixing of sea and fresh water provide high level of nutrients, making estuaries a high product habitats.

many estuaries suffers degradation from a variety of human activities like erosion from deforestation, overgrazing, overfishing, drainage and eutrophication.

so from the above statement answers will be

1. false as estuaries are formed due to both brackish and freshwater.

2.true, due to high productivity estuaries are breeding ground for many marine species.

3. direct and indirect activities of man that contribute to pollution and deposition of sediments.

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