Question

in which part of earth is phosphorus not found?
a water
b air
c soils
d rocks

Explanation:

Phosphorus is a key element in biological molecules like DNA and ATP. It is found in water (as phosphate ions in aquatic ecosystems), soils (as a nutrient for plants), and rocks (as phosphate minerals). However, phosphorus is not present in significant amounts in the air. The phosphorus cycle mainly involves land and water, not the atmosphere.

Answer:

B. air