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Option D - because all are organic wastes

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Option D - As all the options are domestic and agricultural sewage.

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option D

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Answer :- Option D

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Ans: Option D
Only domestic and agricultural sewage is put in the biogas plant. Water hyacinth, poultry wastes and husks are all domestic and agricultural wastes.

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My answer is option d because all of it has micro-organisms and are natural.
OPTION D: WATER HYCANITH , POULTRY WASTES AND HUSK

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Option-D : Water hyacinth , poultry . wastes and husk

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Option D - As all the options are domestic and agricultural sewage.

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Option- D

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Q2:- OPTION C- because the Sun and Moon are not exactly in line with the Earth and should be only partially seen (sun)

Q3- OPTION A- plants need darkness to stop photosynthesis as they are not designed to create food non-stop

Q4- OPTION D- They sugar in the water doesnt chhnage so its the same taste

Q5- OPTION B - There would be an unequal incrse in the level as they are the same volume but keresonse, cooking oil and water have differnt density

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Q2-
Ans: Option C

Q3-
Ans: Option B

Q4-
Ans: Option D

Q5-
Ans: Option C

Q6-
Ans: Option A

Q7-
Ans: Option C

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Option D

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Q2- C
Q3-B
Q4-D
Q5-C

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Q2. OPTION C
Q3. OPTION B
Q4. OPTION D
Q5. OPTION B

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Q2:- OPTION C - because the shadow of the moon is focusing in one place and the places near it will have a partial shadow of the moon.

Q3:- OPTION A - plants also need darkness instead of getting light for the whole time.

Q4:- OPTION D - The samples taste the same because all the sugar is dissolved, so there won't be any change after every 2 mins.

Q5:- OPTION B - There would be an unequal increase as water, oil and kerosene have different densities.

Q6:- OPTION A - Drawing water from the lake.

Q7:- OPTION C - Magnets attract things that are made of magnetic materials. If the pins got attracted by the magnet, then it's sure that it's also made of a magnetic material.

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Q1:-OPTION D - As all the options are domestic and agricultural sewage.

Q2:- OPTION C - because the shadow of the moon is focusing in one place and the places near it will have a partial shadow of the moon.

Q3:- OPTION A - plants need darkness to stop photosynthesis as they are not designed to create food non-stop

Q4:- OPTION D - The samples taste the same because all the sugar is dissolved, so there won't be any change after every 2 mins.

Q5:- OPTION B - There would be an unequal increase in the level as they are the same volume but keresonse, cooking oil and water have different density

Q6:- OPTION A- Drawing water from the lake

Q7:- OPTION C - Magnets attract paper clips because magnets have a magnetic field, which creates a force, that pulls on other ferromagnetic materials. A paper clip is usually made of steel wire.