Answer: <span>C, They add to its hardness.
</span>Calcium is naturally dissolved in water, it can be
found in water as Ca2+ ions and causes <span><span><span>water hardness.</span> C</span>omes from rocks
such as limestone, marble, calcite, dolomite, gypsum, fluorite and
apatite. It can also be a ph stabilizer.
</span>
Where is the image for the cells?
Answer:
There is nothing inherent in the nature of a large quadruped well-suited for long-distance running that requires us to call this creature a "horse." This illustrates the linguistic design feature of <u>arbitrariness</u>
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Explanation:</h2><h3>
Arbitrariness : </h3>
- No resemblance between the language signal and the thing that it represents. It means there is no connection or relationship between the linguistic forms and the meaning e.g when we pronounce the word house, it has nothing to do with the shape of the house.
- In animal communication, there is often a strong recognizable link between the actual signal and the message an animal wishes to convey.
- In human language, there is no link whatsoever between the signal and the message.
- There is no intrinsic connection between, for example the word elephant and the animal it symbolizes.
Alternative splicing is the process of gene expression. It results in a single gene being able to produce multiple functional proteins. mRNA splicing includes certain exons and excludes others. This produces different mRNA strands with different base sequences, which then translates to different polypeptide chains with different codon sequences. Different polypeptide chains will then go through processing to become different proteins.
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Producers, which are the base of the food chain for ecosystems are essential and do not require oxygen to cycle energy and matter, as they create oxygen through photosynthesis. Plants are producers that use this process to capture light energy and use it to convert carbon dioxide and water into an organic substance known as glucose.
