Charles Darwin used domesticated animals to provide evidence for evolution by natural selection by showing "<span>Differences between breeds show that selection can cause species to change."</span>
Answer:
The overall concentration of hydrogen ions is inversely related to its pH and can be measured on the pH scale . Therefore, the more hydrogen ions present, the lower the pH; conversely, the fewer hydrogen ions, the higher the pH.
<em>it is the inflammation of joints mostly present in hands , feet and arms ..
the cause of this disease is
<u>D . autoimmune reaction ..</u>
</em>
<span> C - nitrogen fixation, ammonification and nitrification </span>
