Which Minerals That Make Up the Mohs Scale Are Harder

question 26

Multiple Choice

Which minerals that make up the Mohs scale are harder than a glass plate?

• A) calcite, fluorite, apatite
• B) beryl, garnet, tourmaline
• C) gypsum and talc
• D) feldspar, quartz, topaz, corundum, diamond

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Definitions:

Primary Reinforcers

Basic needs or stimuli such as food, water, or warmth that are naturally rewarding and motivate behavior without learning.

Fixed-interval

A schedule of reinforcement where responses are reinforced after a specified amount of time has passed, used in the study of behavior.

Variable-interval

In operant conditioning, a reinforcement schedule in which a response is rewarded after an unpredictable amount of time has passed.

Fixed-ratio

A schedule of reinforcement where a response is reinforced only after a specified number of responses.