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Helga [31]
3 years ago
5

Classify the following under the headings 'cell structure', 'tissue', 'organ' or 'system'.

Biology
1 answer:
olga_2 [115]3 years ago
3 0
It is system because bone nucleus and all the rest you put down are all a system structure in the body 
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How does soil pollution affect the productivity of soil?
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The toxic chemicals present in the soil can decrease soil fertility and therefore decrease in the soil yield. The contaminated soil is then used to produce fruits and vegetables, which lacks quality nutrients and may contain some poisonous substance to cause serious health problems in people consuming them.

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Ans. (4). protein synthesis.

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3 years ago
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Answer:

The correct option is <em>B) ultraviolet region, especially below a wavelength of 320 nm.</em>

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6 0
2 years ago
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PLEASE HELP ASAP!
AURORKA [14]
The answer to your question is B.
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