Answer: D. They must eat in order to gain nutrition
Explanation:
Plants need energy from the sun, water from the soil, and carbon from the air. The plant uses the carbon to form the leaves and stem and roots. I can go more into detail in the comments if you need.
<span>The urinary system, also known as renal system, eliminates the majority of nitrogen-containing metabolic waste products. It
</span><span> is a group of organs which filters out excess fluid and other substances from the bloodstream. The organs that compose the urinary system are: </span> kidneys, ureters, bladder, and the urethra. The result is <span>stable balance of salts and other substances in the blood.</span>
