Answer:

=> D. Scarcity of water resources caused more disputes between nations in recent years compared to oil.
All plant life, and some would argue most energy on earth, is a result of the sun passing energy in the form of light energy. Plants consume light energy and grow, through photosynthesis.
If the suns energy no longer reached earth, the plants would not be able to photosynthesize any longer. So they would likely die. Also, it would be really cold.
The correct answers are:
- few natural barriers;
From its original territory in Eastern Europe, Russia managed to expand greatly and become the biggest country in the world by far, and one of the biggest reasons for that was the relatively easy terrain, and the lack of natural barriers that were going to set the Russians back.
- harsh climate;
The fact that the climate is very harsh in the territories that Russia gained, meant that very small amount of people live in those areas, thus the resistance was relatively small and insignificant, so the Russians managed to gain the desired territories with relative ease.
Answer:
we shouldn't have any problem at this time but I think it is important that you are correct answer for this is the closing cost for es una Comunidad de mi país con un gran potencial para el titulo y el de la is the closing cost for a la casa a ver que tal es