It would probably be the endocrine sytstem because she could have very low iron
Mr Jones may be neglecting the aquarium controller.
<h3>What is the difference between a pump and an aquarium filter?</h3>
While the aquarium pump serves to oxygenate the water in a fish tank, causing greater gas exchange between the liquid and the atmosphere, the filter is responsible for removing impurities from the water, leaving it fit for the fish that live there.
With this information, we can conclude that the main overlooked piece of equipment is a controller, but the pump and filter can also be the problem.
Learn more about Home in brainly.com/question/3306226
Ok ok what u need to do is help that attitude mate
Answer:
B
Explanation:
Use process of elimination. Clearly it's not D or C. And A makes no sense cause sadness can happen at any moment, wouldn't mean you are depressed. It's clearly B, it's one of the major symptoms of depression, cause then there is suicidal thoughts, isolation from the world so ITS B