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nalin [4]
3 years ago
7

Two students were testing the amount of fertilizer that would best promote the growth of strawberries in a garden. Which of the

following could be an unavoidable source of experimental error?
A.Length of the Study
B.Variation in the Strawberry Plants
C.The cost of Watering the Plants
D.Fertilization during the Study
Biology
1 answer:
Debora [2.8K]3 years ago
5 0

The correct answer would be option D, that is, fertilization during the study.  

The experimental error refers to the dissimilarity between a measurement and the true value or between the two measured values. Experimental error is determined by its accuracy and precision.  

A variation in data, or error, basically signifies whatever results in the data to be imperfect, not the human mistakes. In order to correct this, there is a need to get familiar with the unavoidable sources of error and how they take place so that one can reduce their effect and get the best probable data.  


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Explain how the diaphragm aids in breathing.
zepelin [54]
The diaphragm is the large dome-shaped muscle that rests right under the lungs and separates the abdominal cavity from the thoracic cavity. The contractions of the diaphragm are what truly facilitate the movement of air in and out of the lungs. The contraction of the diaphragm, or breathing in, leaves more room in the chest cavity for the lungs to expand as the diaphragm "tightens". The expanded lungs are filled with oxygen-rich air which is then is diffused through capillaries to different parts of the body. The process of breathing out occurs when the diaphragm relaxes, slowly resuming its position its original position in the chest cavity. When relaxing, carbon dioxide is forced out of the lungs.

Hope this helped! :)
7 0
4 years ago
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ohaa [14]

The answers would be wind speed, air pressure, and wind direction.

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5 0
4 years ago
Darius is observing a family of geese, which includes a male goose, female goose, and several goslings. When a dog approaches th
siniylev [52]

Answer:

A. Yes, its an inherited behaviour that helps the goose and its offspring to survive.

Explanation:

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6 0
3 years ago
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What are three reasons why<br> deforestation is occurring?
alexdok [17]
Hot temperatures, natural disasters, agriculture, urbanization, etc.


Mark me as brainliesttttt !!
6 0
3 years ago
How are humans responsible for environmental pollution​
Reptile [31]

Answer:

Humans are responsible for the environmental pollution in many ways . Some of the points are as follows :

1 ) People throw the wastes wherever they like instead of using dustbins .

2 ) The various types of gases from the industries which harms the nature .

3 ) Cutting off the trees . ( people can cut but also must plant a new one )

4 ) Farmers using different chemical substances in high amount in the crops .

5 ) Burning plastics , tires etc .

This was my way to answer the question , if you need then you can write in paragraph .

let me know if its incorrect . :-)

5 0
3 years ago
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