The answer is D. The rainforest is important to life as a whole on the planet.
The correct answer is - kilometers.
Very often, the map scale is showing distances in both miles and kilometers. The reason for this that the majority of the countries in the world use the metric system, thus the kilometers are a must, but also there countries that do not use this system, thus they include the miles. In this way, the map scale can be used by people that both use and not use the metric system in their daily lives.
The map scale is a very important element on the maps. Its purpose is to enable the reader of the map to be able to measure the distance from one place to another, thus to be aware of the real distance in the real space.
I would say D. Fossil fuels must be burned to release their energy.
In brief, the UAE's societies are tolerant to all religions, castes, creeds, beliefs, nationalities and place of birth. Workers also have better work opportunities in the UAE. It is an undeniable fact that the standard of living here is of a very high quality and all the cities in UAE, particularly Dubai, are regarded as few of the safest cities in the world!
All mass isn't all together in one area but is actually more spread out.