A Shorter Half-Life Means That a Radioactive Substance Is Relatively

question 90

Multiple Choice

A shorter half-life means that a radioactive substance is relatively ________.

• A)stable
• B)unstable
• C)difficult to detect
• D)common

---

Definitions:

Snowmelt

The process of snow changing into water due to rising temperatures, an important source of fresh water in many regions and a factor in flood generation.

Persistent

Enduring or continuing for a long while, not easily dispelled or removed.

General Adaptation Syndrome

A theoretical model describing the body's short-term and long-term reactions to stress, consisting of three stages: alarm, resistance, and exhaustion.

Hormones

Chemical messengers that are produced by the endocrine glands and carried by the bloodstream to all parts of the body.