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How may essential elements are called on...

How may essential elements are called ono mineral elements?

A

3

B

5

C

7

D

9

Text Solution

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The correct Answer is:
To answer the question of how many essential elements are called non-mineral elements, we can follow these steps: ### Step-by-Step Solution: 1. **Understanding Essential Elements**: - Essential elements are nutrients that plants require for growth and development. There are a total of 17 essential elements. 2. **Categorizing Essential Elements**: - These 17 essential elements can be divided into two categories: mineral elements and non-mineral elements. - Mineral elements are those that are usually absorbed from the soil in ionic form. 3. **Identifying Non-Mineral Elements**: - Non-mineral elements are typically absorbed in molecular form and include: - Carbon (C) - Hydrogen (H) - Oxygen (O) 4. **Counting Non-Mineral Elements**: - From the list, we see that there are 3 non-mineral elements: Carbon, Hydrogen, and Oxygen. 5. **Conclusion**: - Therefore, the answer to the question is that there are 3 essential elements that are classified as non-mineral elements. ### Final Answer: The number of essential elements that are called non-mineral elements is **3**.
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