HI there!!!!!!
It would probably be the heart, brain or our muscles; they are constantly working !
The answer is B. Hope this helps!
Reasoning: Brown Algae and Dinoflagellates are both on the same branch, unlike other answers.
The answer to this question should be: <span>"i can return to my normal activities like cleaning my house and vacuuming"
A post cataract surgery patient will be prone to an airborne allergen such as dust so it is not recommended to do any cleaning or be in a place with much dust. Vacuuming will increase the amount of the dust in the room and this might cause damage to the patient eye.</span>