Explanation:
disavantage
many diseases are caused due to spread of mosquitoes, worms and insects on account of stationary water in canals.
advantage
economic development can be expedited by avoiding dangerous droughts. depending on rainfall can be minimized through canal development.
The planet may have or may not have had liquid water on it.
<span><span /><span>The four tools that mapmakers uses in order to help
reader interpret information on maps are:
=> Direction - This is where they give the direction on the map. Where to
find the North, South, East and West.
=> Legend – This is where they give symbols on a map in order to depict
meaning of a certain object written in a Map
=> Title – This is the most essential feature of the map. The content of the
title should also be measured regarding to the lettering used.
=> Diagram – This is where neatlines, locater maps, insert maps and index
maps are indicated.</span></span>
<span>the iland is called Mozambique and its for contructshion
</span>
