Hypocalcemia or low calcium level is most usually the cause of electrolyte disturbance after a thyroid surgery.
Answer:
Darwin's theory states that all species of organisms arise and develop through the natural selection of small, inherited variations that increase the individual's ability to compete, survive, and reproduce.
examples: the giraffe's neck became longer as it stretched then they passed it to there children.
Explanation:
ocean - Large bodies of water
current flowing towards equator carry cold water from poles
current flowing away from equator carry warm water from poles
Ex - Humidity