From nitrogenous bacteria found on the surface of leguminous plants. They convert nitrogen into nitrates which is absorbed by plants
Because they have the most to lose, imagine it like you have 10 towers and all collapsed from a tsunami. And the village next to you also collapses. The ten towers lost way more money and people in it then the villages
In short answer, The developed country just simply has a lot more to lose then the lesser developed one.
(1) Meteorological/Climate factor:
-Rainfall intensity
-Rainfall amount
-Rainfall duration
-Distribution of rainfall over the drainage basin.
(2) Phsyiographic factors (e.g. watershed)
- watershed size
-Watershed shape
-watershed slope
(3) Vegetation
- Dense vegetation leads to less run-off while sparse vegetation leads to more run-off.
(4) Urban development.
- Roads and buildings have do not allow infiltration into the soil. Water will therefore run off directly into the stream, at a very fast rate and in significant volume.
Answer:
The geography of the region is mainly made up by four features: the Mojave, Sonoran, and Chihuahuan Deserts, and the Colorado Plateau; although there are other geographical features as well, such as a portion of the Great Basin Desert.
