Which elements are considered balancing elements?
Ca and K
The correct option is C.
Explanation of correct option:
Explanation of incorrect options:
Option A:
Option B:
N and S are protoplasmic elements that constitute the building blocks of protoplasmic substances like nucleic acids, proteins, chlorophyll, and other substances.
Option D:
Mg and Fe both are part of the chlorophyll of the plants. Fe is not a balancing element.
Final answer: The elements that are considered balancing elements are Ca and K.