Aid for agriculture can help increase food production and do improve the quality and quantity of food available
The best type of map for displaying or representing population density would be choropleth maps. These maps are excellent for displaying numerical values on a map. They display data in shades of a single color with the lighter colors representing smaller values and the more intense colors representing higher numerical values.
I'm not 100% sure but I think the answer you are looking for is something like for example; Forest, grassland, tundra, desert, & maybe Ice sheets.
D. Wheat
Wheat need a good dry temperature, Asia is not dry, tis very moist
