Gastric juice does not typically cause a burning sensation within the stomach. but reflux of this gastric juice into the esophagus can cause a burning sensation. one reason why this occurs is that the esophagus

The activity of the modern sample is 1.10 bq . how long does that measurement take?

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.

Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above