Answer:
The centre
Explanation:
The reason is that there's less friction at the center.
Hope this makes sense! If you have further questions, let me know!
- profparis
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This is called the nacreous layer, the pearly layer.
The control group in this experiment is the group of tomatoes that do not receive any fertilizers i.e. fourth tomato plants.
<h3>What is Fertilizer?</h3>
Fertilizer may be defined as any chemical or natural substance which is added to the soil with the intention of enhancing productivity.
All those groups of tomatoes in which fertilizers are added behave as a reference group while those in which fertilizer is not added behave as a control group.
Therefore, it is well described above.
To learn more about Fertilizers, refer to the link:
brainly.com/question/24544067
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Answer:
The answer is number 4. asI think