Which element is a macronutrient in plants?

A) Sodium
B) Calcium
C) Manganese
D) Zinc
E) Copper

Macronutrient

An essential element required in fairly large amounts for normal growth. Compare with micronutrient.

Calcium

A chemical element with the symbol Ca, essential for living organisms, particularly in cell physiology, where it plays a key role in signal transduction pathways, bone structure, and teeth strength.