More often than not it is very hard to make decisions about economic development and the environment and manage to balance them so that both of them are in the desired position. The problem is that almost always the economic development depends on destroying parts of the environment, so often the choice is to either to stagnate on an economical basis and protect the environment, or push for economic development and destroy parts of the environment. This is very often a conflict situation, and in the last decades with the bigger awareness about the nature it is becoming even harder a decision to be made.
The answer to this question is B, they must be 30 years old and live in the state from which they are elected.
Savannas are a dry grassland surrounded by many deserts.
I think in this case the entropy is getting greater day by day
It allowed farmers to plant water wherever, and help make dry soil more suitable for planting overall.