Not all mixtures are solutions. It has to be a special homogeneous bond mixture composted of two or more substances
Answer:
See synonyms for: marine / marines on Thesaurus.com. Elementary Level. adjective. of or relating to the sea; existing in or produced by the sea: marine vegetation. pertaining to navigation or shipping; nautical; naval; maritime.
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.
I think D because the whole thing is gaseous and it has two atmospheric layers
Answer:
False
Explanation:
The male frog is the one that croaks to signal to a female that it is ready to mate and only male frogs can produce a mating call. Males also croak to warn other males if there close to their territory.
