A. carbon uhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh duhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
Organisms that cause disease are carriers. Such as ticks, fleas, lice.
Answer:
any change in the nucleitide sequence because of failure in the system.
Explanation:
im in bio class lol but uh this is a definition that can be searched
