Rural- relating to, or characteristic of the country side rather than the town. For a more simple definition it's basically people who live out in the country side. Example- She lives in a rural area.
Algae is warmful for the organisims of the area
Because of Dhaka's position below sea level the city experiences yearly flooding, particularly around the monsoon seasons and has the constant threat of rising sea levels, which would of course cause more flooding.
More buildings and more space for humans to move around
I think it might be either
A. Low plain rising to towering mountains
Or
D. Series of parallel high mountains
Because the Atlas Mountains are located there but I’m not really sure which one it is sorry.