When particles spread out it is called diffusion.
Answer:
Advantage
Explanation:
It all comes down to a process called gene regulation. This is how our genes are turned off and on, for minor things like hair color and vital functions like protection from cancer. Within our bodies, we house trillions of cells, all busily going about doing their jobs while we enjoy our days
I think the answer is b not too sure though
I think it the answer is C ( The relationship between the bacteria and the ticks is commensalism, and the relationship between ticks and humans is parasitism.
-- Alina (: