I would say D. Fossil fuels must be burned to release their energy.
Answer:
There are 195 countries in the world comprises of 193 countries that are member states of the United Nations and 2 countries that are non-member observer states
Here were the choices on that question:
a. poverty
b. lack of adequate rivers
c. mountains
<span>d. richness
The answer is D. richness. Based on A Companion to World History, the African Sahel can be a corridor of communication between Nile and Niger valleys but did not materialize. The reason was the richness of Sahel that it that it can provide for itself even without trade.
</span>
Westward expansion meant that the US acquired ever increasing amounts of land, and needed people, farmers, to settle there so it could maintained without a huge military presence
Answer:
D) it turns steam when released
Explanation:
In a nuclear reactor, the superheated water leaving turns to steam when released and it in turn is channeled to turn turbines in order to produce electricity.
- A nuclear reaction is used to generate current through a series of processes.
- The reaction produces a significant amount of heat energy.
- This heat energy is used to superheat water and convert it to steam.
- The steam is then channeled to drive turbines whose mechanical rotation produces electricity.
