Answer:
It is the molar mass of the compound
<span>A characteristic feature of diatom cells is that they are encased within a unique cell wall made of silica (hydrated silicon dioxide) called a frustule.</span>
Answer:
In a chemical change the nature of the substance changes and it is transformed, for example when a piece of wood is burned, the carbon is being transformed into carbon dioxide. A physical change is one where the nature of matter does not vary.
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Answer:
Answer
The limitations are-
1. Privacy of the individuals involved in the research process.
2. Physical and psychological risks should be minimized
3. The subjects should be chosen equitably
4. Only reasonable exposure to risks is admissible.
Explanation
The privacy of the individuals involved in the research must be taken into consideration. This will ensure safety of patient data and information. The risk of physical and physiological well being of the person must be taken into consideration in such a research. In addition to that, the subject must be made to understand every procedure and the risks involved before testing. Moreover, only minimal exposure to risks is allowed and must have been previously tested in animals to avoid deaths.
Answer:
Aside from the sun, the water cycle is driven by the transpiration in plants and respiration in humans. Humans and animals both release water vapor in the atmosphere.
Explanation:
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