True and false Bahrain International airport is in Sitra.
Bahrain is situated in the center of the globe.
Bahrain has dry and hot weather.
The construction work on the dock started in 1974.
Jabal-ad –Dukhan is 450 feet high from sea level.

To solve their problems, mesopotamians used irrigation, a way of supplying water to an area of land. to irrigate their land, they dug out large storafe basins to hold water supplies these ditches brought water to the feilds. to protect their feilds from flooding, farmers built up the banks of the tigris and euphrates.hope ths !

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

producing or giving rise torelating to or engaged in the production of goods, crops, or other commodities.

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.