Answer:
Tang Taizong Li Shimin (January 28, 598 - July 10, 649) was the second emperor of the Tang Dynasty. he was honored as the "Khan of Heaven" by the nine surnames Tiele, the king of the Western Regions, and the guardian of Tochara.
Explanation:
the king of the Western Regions, and the guardian of Tochara.
The energy associated with food is chemical energy.
The food contain carbohydrates, proteins, vitamins and minerals, that are used by chemical reactions in the live organisms (the metabolism) to build the cells that form our tissues (muscles, bones, blood).
The chemical energy is stored as chemical bonds in the cells and is released when the bonds break giving energy that we use to run about, and move and talk (kinetic and sound energy).
Answer:
D
Explanation:
Double the first equation. Write the second below it. Rearrange the second.
2x - 20 = - 4y
<u>-2x -16= +4y</u> Add.
- 36 = 0
There is no solution to this pair of equations.