Questions

Molten rock inside the earth is called Magma.

A candidate key is a column, or set of columns, in a table that can uniquely identify any database record without referring to any other data. Each table may have one or more candidate keys, but one candidate key is unique, and it is called the primary key.

To organize ads by common themes that you want to advertise on.

China shares land borders with 14 different countries, the longest being with Mongolia followed by Russia and then India.

The price elasticity of supply measures how the responsiveness of the quantity demanded of a commodity to changes it its prices; defined as the percentage change in quantity demanded divided by the percentage change in price.

Geraldine Mock "Jerry" was the first woman to fly around the world successfully in the year 1964.

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