Together these molecules form a liquid. However, taken as separate molecules both of these are gases. The argument is that since together these molecules form the liquid water that separately they must be a liquid as well. The fallacy of division is also the opposite of the fallacy of composition.
See also consumer price index, core inflation, cost-push inflation, demand-pull inflation, GDP deflator, producer price index, purchasing power risk. Inflation. Inflation is a persistent increase in prices, often triggered when demand for goods is greater than the available supply or when unemployment is low and workers can command higher salaries. Moderate inflation typically accompanies economic growth.
Monetary policy is the control of money supply by the central bank (so in Britain it is the Bank of England and in the US it's the Federal Reserve). Inflation can be caused because aggregate demand exceeds aggregate supply therefore by reducing consumer spending and investment it can alleviate inflation.