The correct answer is: C: two and a half years. As a mater of fact, it started in May 1804 and lasted until September 1806. This expedition, also called Corps of Discovery Expedition was the first American expedition to cross what is now the western portion of the United States. Expedition was ordered by president Thomas Jefferson shortly after the Louisiana Purchase in 1803. The goals were to <span>explore and map the newly acquired territory, find a practical route across the Western part of the continent, and establish an American presence in this territory.</span>
The earths most important energy sources the sun
"1. moisture (water vapor) in the air near the surface
2. instability - relatively large decrease of air temperature with height
3. lift - some process (such as a front) that forces air to rise"
The air is dry during the summer and any moisture amount is increased in the afternoon as the temperature cools.
It’s either Arabic or Berber, but I’d go with Arabic
Once energy is produced in the core of the Sun, it needs a way to travel from the solar center to the outer regions. ... In the radiation zone of the Sun the temperature is a little cooler than the core and as a result some atoms are able to remain intact.
