Which Answer Best Describes How Roots Acidify the Soil Solution

Question

Which answer best describes how roots acidify the soil solution?
A) Roots release CO2and pump K+ into the soil.
B) Roots release CO2and pump H+ into the soil.
C) Roots release NaCl and pump Na+ into the soil.
D) Roots release NaCl and pump Cl- into the soil.

Accepted Answer

Roots acidify the soil solution by releasing CO2 (which forms carbonic acid in water) and pumping H+ ions into the soil. This process helps in nutrient absorption.