Anthracite Coal

question 25

Multiple Choice

Anthracite coal

• A) causes the most air pollution
• B) has the highest sulfur content
• C) is very hard and burns cleanly
• D) is the most abundant grade of coal
• E) is very soft and burns at high temperatures

---

Definitions:

Clone Method

A method in object-oriented programming that creates and returns a copy of an object.

Tennis Shoes Class

A class in object-oriented programming that could represent the attributes and behaviors of tennis shoes in a software model.

Clone Method

A method that creates and returns a copy of an object, as defined by the java.lang.Object class in Java.

Dress Shoes Class

Assuming it is a user-defined class in programming, it would represent a category or template for creating objects related to dress shoes.