The opposite of an acid is a base, and that's exactly what an antacid is. Antacids make you feel better by increasing the pH balance in your stomach. The pH system is a scale for measuring the acidity or alkalinity of a given environment (in this case, your stomach). The scale goes from 0 to 14. A pH of 7 is neutral. Below 7 is acid. Above 7 is alkaline.
Economy is the large set of inter-related economic production and consumption activities which aid in determining how scarce resources are allocated.
ECONOMY the management of the resources of a country. EXPORT to ship goods to other countries or places for sale, exchange. GOODS materials made to be sold. IMPORT to bring or carry in from an outside source, especially to bring in (goods or materials) from a foreign country. for trade or sale.