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lapo4ka [179]
3 years ago
7

Water obtained from natural resources does not show neutral pH. What is the reason behind this?

Biology
2 answers:
Murrr4er [49]3 years ago
7 0
Right answer: <span>The neutral nature of water changes due to mixing of various salts, bases, and acids, thus changing its pH.</span>
Ulleksa [173]3 years ago
5 0

Answer:

Option B, The neutral nature of water changes due to mixing of various salts, bases, and acids, thus changing its pH.

Explanation:

Water obtained from natural sources like underground water, sea water, rain water etc are not neutral in nature. This is so because water extracted from all these sources contains several dissolved salts/chemical components which either reduces or increases their pH.

The ground water contains lot of dissolved carbonates and bicarbonates (as it remains in contact of rocks beneath the earth) due which it becomes extremely hard and has a pH greater than 7. On the other hand rain and snow water are acidic in nature and have a pH between 5 to 6.

Thus, it is only due to the dissolved bases and acids in natural water which makes it either acidic or basic in nature.

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Water is a unique compound with properties which are elemental for the existence of life. List six of these properties and how t
Luba_88 [7]

Here, we are required to list six of the properties of water and how they are essential for the existence of life.

These properties include:

  1. Water is a universal solvent
  2. Water is highly cohesive
  3. Water is a Substrate for microbial proliferation.
  4. Water supports cellular structure.
  5. Water has considerable buffering capability.
  6. Water is involved in Catabolic and Anabolic reactions.

  1. Water as a universal solvent is evident in its extensive capability to dissolve a variety of molecules and consequently transport them has earned it the designation of “universal solvent,” and it is this ability that makes water such an invaluable life-sustaining force. Biologically, water’s role as a solvent helps cells transport and use substances like oxygen or nutrients such as water-soluble vitamins.
  2. The cohesive property of water molecules helps plants take up water at their roots. Cohesion also contributes to water’s high boiling point, which is vital in animals body temperature regulation.
  3. Water serves as a substrate for Microbial proliferation because microorganisms grow best in high moisture environment.
  4. Water supports cellular structure: Water is quite important in biological structures. Water fills cells to help maintain shape and structure. The water inside many cells (including those that make up the human body) creates pressure that opposes external forces, similar to putting air in a balloon thereby creating a cushion.
  5. Water has considerable buffering capability: water buffers cells thereby protecting them from the dangerous effects of acids and bases. Highly acidic or basic substances, like bleach or hydrochloric acid, are corrosive to even the most durable biological materials.
  6. Water is involved in Catabolic and Anabolic reactions: Water is directly involved in biochemical reactions to build and break down important components of the cell. Photosynthesis, the process in plants that creates sugars for all life forms, requires water. Water also participates in building larger molecules in cells.

Read more:

brainly.com/question/24371297

5 0
2 years ago
Acid rain breaks down rocks by reacting with their minerals. This process is an example of A. physical weathering. B. deposition
Fofino [41]

Answer:

B. Chemical weathering

Explanation:

Chemical weathering is the decompositon or decay of rocks into soil or earth materials.

Acid rain is made up of dissolved ions which can act as a good reagent to weather rocks.

6 0
3 years ago
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Which of the following is not a problem associated with aging?
RideAnS [48]

Answer:

C. You may judge things according to old expectations

Explanation:

The aging is bringing in multiple problems with it. It affects the human health and capabilities, both physically and mentally. This often results in misunderstandings, accidents because of bad vision, forgetting of important rules, occasionally having tragic consequences. Also, the people often think that the elderly people always have old school judgement of things, but that is not the case in practice, and that totally depends on the individual and how much that individual is upgrading and is following the new trends and rules.

6 0
3 years ago
☆
mars1129 [50]

Answer:

1. A rain

you can expect light showers of rain from fluffy white clouds.

2. A runoff

surface runoff happens when a water source can no longer sufficiently rapidly i infiltrate the soil.

3. D evaporated

the water has now, over time, evaporated.

4. C snowfall

snowfall is a common weather event, not extreme.

5. D all of the above

weather can be described and measured in numerous ways, including more than the few listed

6 0
1 year ago
If a plant is eaten by an insect, then the insect is eaten by a mouse, then the mouse is eaten by an owl, what does that make th
hram777 [196]

Answer:

An autotroph, turned into energy then waste.

5 0
2 years ago
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