Answer:
Brain
Explanation:
It can be argued that your brain is by far the most important organ in our bodies. This is because of its power to allow you to feel, think, communicate, and more or less survive. Without your brain, you would be the equivalent to a vegetable.
Answer is Changes not adaptions
Answer:
McDonald's is credit for the assembly line sysyem.
Answer:
second hand smoke i think
Explanation:
