If a star appears to be very red, it would be in the spectral class "M" since that is where it is the lowest temperature, with the slowest waves.
Answer: M
Hope this helps!
There is no such thing ? It can't be an organism if it does not do any of the above
The correct answer is: Heartburn often results when the gastroesophageal sphincter fails to close properly.
The gastroesophageal sphincter is a muscle located at the bottom of the esophagus that has to be relaxed in order to allow food to flow down into the stomach. After it contracts (tightens), the food and the stomach acid can’t flow back up into the esophagus.
When the gastroesophageal sphincter fails to close properly acid reflux occurs and causes the heartburn.
Answer:
it is 180 million years old
