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Boundaries of biomes on land are determined mainly by:
AAltitude
BRivers
CSoil pH
DClimate
Answer & Solution
Correct answer: D. Climate
1. Rainfall, temperature and humidity matter.
2. Climate mainly fixes biome boundaries.
3. Soil conditions also play a part.
_Source: NCERT Class 11 Fundamentals of Physical Geography, Chapter 15, Life on the Earth._
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