Nitrate
Hope this helps :))
Abiotic are the non-living parts of an ecosystem such as the rocks or water. The abiotic parts of an ecosystem is anything that is alive. #TeamAlvaxic
<span>Buffer systems in our
body maintain the pH of blood to be at an optimum level which is at a range of
7.3-7.4. A buffer is a solution that resists changes in pH during the addition
of an acid or a base. Our blood has a number of buffer systems. Examples are
the bicarbonate buffer system and the hemoglobin buffer system.</span>
