An estuary. <span>Estuaries are partially enclosed bodies of water along coastlines where fresh water and salt water meet and mix. They act as a transition zone between oceans and continents.</span>
Answer:
b........................
D, is the answer. If you take antibiotics more than you're supposed to your immune system gets used to it and it no longer works.
The answer would be B. Cats.
Cats are the most advanced organisms between the options thus have the greatest amount of cell specialization.
