Filtration<span>, Reabsorption, Secretion: The Three </span>Steps<span> of Urine Formation. The kidneys </span>filter<span> unwanted substances from the blood and produce urine to excrete them. There are three main </span>steps<span> of urine formation: glomerular </span>filtration<span>, reabsorption, and secretion.</span>
The representative particle for nitrogen is a molecule.
The pH scale is used to measure how acidic or alkaline something is.
Hope that helped you!
BRAINLIEST??
I read and said it's a weak base
