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romanna [79]
3 years ago
6

Emma is curious to see how fertilizer makes a plant grow larger. After doing some research, she believes that the chemicals with

in the fertilizer will make a plant increase in size. She also believes that plants that do not receive fertilizer will be smaller in size. Emma plans to put the same type of plant seed into 6 pots containing soil and fertilizer and monitor how the plants grow. She runs out of fertilizer, though, and decides to put sand into 3 of the pots instead of fertilizer and soil. After the experiment finishes, Emma observes that the plants that had fertilizer grew much larger than the plants with sand. She finally concludes that fertilizer greatly increases the size of a plant. Why is her conclusion invalid?
Biology
1 answer:
CaHeK987 [17]3 years ago
7 0

Her conclusion is invalid because using sand instead of soil slows down plant growth. Fertilizer, on its own, does not 'greatly' increase the size of the plant.

The correct way to do this experiment would be to keep all other parameters same, except the fertilizer. This will give her accurate results.

If this helps you, please mark Brainliest! :)

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To see how many atoms are in the chemical formula or element symbol, look at the subscript.
KengaRu [80]

Explanation:

To find the number of atoms in each specie, we consider the coefficient and the subscript of each of the given atoms.

1. NaCl:

Na  = 1 atom

Cl = 1 atom

2. CO₂

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O = 2 atom

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4. C₆H₁₂O₆

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For the second part;

1. 2NaCl

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Cl = 2 atoms

2. 3CO₂

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3. 4O₂

O = 8 atoms

4. 2C₆H₁₂O₆

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3 years ago
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zimovet [89]

The right answer is research reading and writing.

The research includes a collection of data, information, and facts for the advancement of knowledge.

Reading is undoubtedly an entertainment, but it is also a precious help to learn to express oneself and to think.

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3 0
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Answer:

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C       Centriole

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Explanation:

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When molecules are being transported opposite to the molecules concentration gradient.

Hope i helped!
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Answer:

i think the best answer is A

Explanation:

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