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lubasha [3.4K]
2 years ago
13

Please help

Biology
1 answer:
Juliette [100K]2 years ago
4 0

Answer:

4 the cube with many circles in it or box C

3 objects that float paperclip, feather, air molecules, sticker  objects that sink book, phone, human, plate.

2 ?

Explanation:

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Answer:

The correct answer will be option-C

Explanation:

The plant absorbs the sunlight to perform photosynthesis which helps produce the sugar molecule used by the plants.

The plants absorb maximum sunlight at two wavelengths that are red and blue wavelength by chlorophyll and other pigments. The efficiency of photosynthesis is also measured maximum at these two active wavelengths called action spectrum.

In the given question, since the efficiency of photosynthesis has been discussed which could be measured with the production of oxygen and consumption of carbon dioxide. The experiment performed by the Engelmann showed that aerobic bacteria got concentrated in the blue and red wavelengths as the output of the photosynthesis were observed maximum.

Thus, the selected option is the correct answer.

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A species that is involved in a facultative mutualism with another: a. can only interact with that particular species. b. should
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A species that is involved in a facultative mutualism with another: can utilize different resources outside of the mutualism.

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  • A type of mutualism in which the two organism cannot depend  on any other resource outside their mutualistic relationship is called obligate mutualism.
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