Modern, human-caused climate change is escalating the threats that make sea walls necessary. Sea levels are rising, putting communities at greater risk from floods. Storms are intensifying, causing more and more sand to erode from beaches.
<em>Answer:</em>
<em>As the Industrial Revolution was a shift from the agrarian society, people migrated from villages in search of jobs to places where factories were established. This shifting of rural people led to urbanization and increase in the population of towns. The concentration of labour in factories has increased urbanization and the size of settlements, to serve and house the factory workers.</em>
I think the two sources would be drip irrigation which is like a river, lake, groundwater, etc... The second source could be is making a new irragation system that could deliver water faster.
A geographer uses a GPS for directions. Geographers may be exploring and they need coordinates and directions for the locations they find.
next time post the full question!! hoped this helped
