Answer:
Oh easy u let ur dog/cat eat it! LOL
Explanation:
The use of robots and how they help build cars and how the assembly line has improved from the 1900's would be my answer.
Like a Food chain, so something eats something to grow
Hello,
Number 1: Agriculture
Number 2: The discovery of Cumberland Gap in 1750, as well as the end of the French and Indian War in 1763 lured settlers deeper into the mountains.
Number 3: Mainly rural areas
:)