What might occur if the sphincter between the esophagus and stomach doesn't close correctly, and some of the stomach contents enter into the esophagus?

Identify the missing parts of the carbon cycle

Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom

1. watermelon, papaya, oranges, bananas, and lemons are included in this food group. vitamin c 2. you need 6 or more servings of this food group each day vitamins d and a 3. found in fruit and keeps blood vessels healthy calcium 4. vitamins found in milk bread and grain 5. a mineral that strengthens bones fruit