Which of the Following Minerals Is Softest

question 33

Multiple Choice

Which of the following minerals is softest?

• A)quartz
• B)calcite
• C)talc
• D)fluorite

Understand the stages of the sleep cycle and characteristics of each stage.

Recognize the effects of drug use on consciousness and physical health.

Identify altered states of consciousness and their causes.

Describe the physiological mechanisms behind sleep disorders and the potential treatments.

---

Definitions:

Derived Class

A class that inherits attributes and methods from a base class, also known as a subclass.

Base Classes

In object-oriented programming, classes that act as a foundation from which other classes (derived or child classes) can be created through inheritance.

Interface

A programming construct that defines a contract of methods that implementing classes must provide, used to enforce a set of behaviors.

Comparable Interface

An interface in Java that imposes a natural ordering on the objects of each class that implements it, used to allow objects to be compared.