The answer is B, adhesion.
They need to be able to sense incoming threats
Answer:
you're right it is deletion
Explanation:
It’s true because when 2 objects touch one is higher temperature and the other is lower temperature and the higher temperature transfer heat to the other temperature
Answer: The kidneys can regulate water levels in the body; they conserve water if you are dehydrated, and they can make urine more dilute to expel excess water if necessary.