Answer:
The United States gained Independence from Britain.
Asteroids are made up of metals, oxygen and silicon. Comets are made up of ice, dust and rocky material.
Explanation:
The main function of a properly designed bioreactor is to provide a controlled environment to achieve optimal growth and/or product formation in the particular cell system employed.
The reason Amazon river is one of the greatest rivers in world is because the volume of water it carries to the sea the area of land that drains into it, and its length and width
