What does it mean when we say that water acts as a “heat buffer”?$

• A. It keeps the temperature of an organism relatively constant as the temperature of the surroundings fluctuates.
• B. It increases the temperature of an organism as the temperature of the surroundings increases
• C. It decreases the temperature of an organism as the temperature of the surroundings increases
• D. It increases the temperature of an organism as the temperature of the surroundings decreases