Active site is the answer, i hope this helps:)
All viruses<span> contain the following </span>two components<span>: 1) a nucleic acid genome and 2) a protein capsid that covers the genome. Together this is called the nucleocapsid.</span>
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.
Terrestrial planet.
Terrestrial brings like us and animals live whereas as others don't satisfy any life.
Answer:
geothermal gradien and intrusive magma? correct me if im wrong
Explanation: