all it needs is water, good temperature and some soil
3, definitely. The other answers are all harmful to the environment or flat-out wrong. At least it gets the economy going and lets more people make a living... even if it's hurting the ozone.
<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>