Which of the Following Is the Hardest Known Natural Substance

question 1

Multiple Choice

Which of the following is the hardest known natural substance?

• A)Talc
• B)Diamond
• C)Quartz
• D)Sapphire

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Definitions:

Recall

is a measure of memory in which a person must retrieve information learned earlier, as on a fill-in-the-blank test.

Godden And Baddeley

Psychologists known for their study on context-dependent memory, demonstrating how the environment where learning occurs can affect recall.

Visual Imagery

The mental visualization of scenes, objects, or events without their physical presence.

Mnemonics

Strategies to facilitate retention and later retrieval of information.