Carbonic acid causes the acidity in fizzy drinks. This is used as a test for carbon dioxide. When carbon dioxide is bubbled through limewater the limewater changes from colourless to milky.
Anthropocene Magazine published by Future Earth on MSN11 天
A typical large tree can suck as much as 88 pounds of carbon dioxide out of the air over the course of a year. Now scientists at the University of California, Berkeley say they can do the same job ...