What Happens to the Half-Life of a Radioactive Substance as It

question 11

Multiple Choice

What happens to the half-life of a radioactive substance as it decays?

• A)It remains constant.
• B)It increases.
• C)It decreases at a constant rate.
• D)It decreases at an exponential rate.

---

Definitions:

Obesity Rate

The percentage of a population that is classified as obese, typically measured by body mass index (BMI) criteria.

American Adults

Individuals over the age of 18 who are citizens or permanent residents of the United States.

Hypothalamus Damage

Harm or injury to the hypothalamus, a region of the brain responsible for hormone release and regulation of basic drives such as hunger, thirst, and temperature control.

Weight Gain

The increase in body weight over a period of time, which can result from an increase in muscle mass, fat deposits, or excess fluid retention.