Concept:Bush burning clears dead plant material and creates room for new grass growth.
Explanation:Bush burning removes accumulated dead vegetation called thatch.
Thatch blocks sunlight and rainwater from reaching the soil surface.
It also prevents new grass shoots from emerging easily.
By clearing thatch, the fire prepares the ground for fresh grass to sprout.
This makes bush burning beneficial for grassland regeneration.
It does not directly add oxygen, organic matter, or increase soil microorganisms.
Answer:C. encourages the regeneration of grasses