Which of the Following Is an Example of a Physical

question 20

Multiple Choice

Which of the following is an example of a physical change?

• A)converting coal to carbon dioxide
• B)converting hydrogen to water
• C)converting iron to a steel alloy
• D)converting nitrogen gas to ammonia
• E)converting sulfur to sulfuric acid

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Definitions:

Health Care Decisions

Choices made by individuals or their designated proxies regarding medical treatments and interventions, often based on personal values and health conditions.

Life Support

Medical systems or procedures that provide essential bodily functions support to critically ill or comatose patients.

Expressed Consent

Explicit permission granted through clear and unquestionable language or action, particularly in legal and medical contexts.

Informed Consent

A process by which a person knowingly and voluntarily agrees to participate in a particular procedure or treatment, after understanding all relevant facts and risks involved.