Most Elements Are Rare

question 20

Multiple Choice

Most elements are rare.How many elements make up approximately 99% of the mass of theearth's crust,oceans,and atmosphere?

• A)2
• B)4
• C)7
• D)10

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Definitions:

National Minimum Wage

The lowest salary that employers are legally obligated to pay workers, set by government legislation to ensure a basic standard of living.

Mandatory Overtime

A requirement enforced by an employer that employees work beyond their scheduled hours, often due to operational demands.

Public Sector Bargaining Laws

Regulations and laws that govern the collective bargaining process for public sector employees, including teachers, firefighters, and police officers.

Collective Bargaining Rights

The legally protected right of workers to negotiate their wages, hours, and working conditions with their employer through unions.