It depends on the map. There should be a key indicated.
Explanation:
<h3>Arable land is the land under temporary crops, temporary meadows for mowing or pasture, land under market and kitchen gardens and land temporarily fallow (for less than five years); and land under permanent crops is the land cultivated with crops that occupy the land for long periods and need not be replanted after ...</h3>
1.The population is rising fast because of inadequate amount of knowledge about family planning.
2.Census is done to check the growth of our population.
3.
It's known as a delta. please mark as brainliest