Question

age,heat and magnetic orientation explanations​

Answer 1

Answer:

Indigestion is often a sign of an underlying problem, such as gastroesophageal reflux disease (GERD), ulcers, or gallbladder disease, rather than a condition of its own. Also called dyspepsia, it is defined as a persistent or recurrent pain or discomfort in the upper abdomen.

Answer 2

Answer:

magnetic orientation The sensing by certain organisms of the direction of the geomagnetic field and their use of it for purposes of orientation. See BIOMAGNETISM. See also MAGNETIC SAMPLING. A Dictionary of Earth Sciences.