In Moist Climates, __________ Tends to Dissolve Limestone near the Surface

question 64

Multiple Choice

In moist climates, __________ tends to dissolve limestone near the surface, resulting in cave formation.

• A)hydrochloric acid
• B)citric acid
• C)carbonic acid
• D)phosphoric acid
• E)none of these

---

Definitions:

Plasma Ph

The measure of acidity or alkalinity of the plasma, a component of blood.

Ventilation-Perfusion Coupling

The coordination between the flow of air into the lungs (ventilation) and the blood flow in the pulmonary capillaries (perfusion), crucial for efficient gas exchange.

Hering-Breuer Reflex

A physiological reflex that helps regulate the depth of breathing and prevents the overinflation of the lungs by signaling the respiratory center to inhibit inhalation.

Breathing

The physiological process of inhaling oxygen from the air into the lungs and exhaling carbon dioxide out, essential for life.