Which of the following statements is a characteristic of environmental radioactivity?
A) Much of the Earth's interior heat comes from alpha decay.
B) There was no environmental radioactivity before the discovery of nuclear energy by humans.
C) All elements have both radioactive and stable isotopes.
D) Radon atoms will sink in water.
E) Much of Earth's interior heat comes from beta decay.

Question

Quizplus · Accepted Answer

Much of the Earth's interior heat is indeed generated from the decay of radioactive elements, including alpha decay. This process contributes significantly to the geothermal gradient and the heat flow from the Earth's interior to its surface.

Which of the Following Statements Is a Characteristic of Environmental