Which of the following works as a buffer against environmental changes?

Which of the following works as a buffer against environmental changes?

ماحولیاتی تبدیلیوں کے خلاف بفر کے طور پر مندرجہ ذیل میں سے کون سا کام کرتا ہے؟
Explanation

Trees as Environmental Buffers:

Climate Regulation: Absorb CO₂, release O₂, and moderate temperatures.

Soil Protection: Prevent erosion and maintain soil health.

Water Cycle: Help in groundwater recharge and reduce flooding.