Most phosphates and nitrates in the Chesapeake Bay come from Agricultural runoff.
The is should be C, Im not 100% sure though...
The correct answer for this question is: "<span>B) kidneys clean the blood by filtering it to remove wastes." Kidneys clean the blood by filtering it and removing the waste.
The correct answer for this question is: "</span><span>A) secretes excess water as sweat." The role of the skin in the excretory system is to secrete waste and excess water as sweat.</span>
When a person's thyroid malfunctions, they can feel tired,<span> nervous, or their muscles can feel weak. They can experience weight gain or loss; impaired memory; or, if female, it can affect their menstrual cycle.
</span>
<span />