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(iv) If distance between the mirror and a tooth cavity-is equal to or more than 5 cm
then dentist is not able to see the image. What may be the reason behind it?
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Answer 1

Answer:

Introduction In ecology and biology, abiotic components are non-living chemical and physical factors in the environment which affect ecosystems. Biotic describes a living component of an ecosystem; for example organisms, such as plants and animals. Examples Water, light, wind, soil, humidity, minerals, gases.

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