Function and Variable Visibility

question 47

Multiple Choice

Function and Variable Visibility:

• A) a function that is marked as internal cannot be called by other contracts, unless the function is used by a derived contract. Private Functions cannot be called by any other outside contract and public variables are generating automatically a getter function.
• B) a function that is marked as external can never be called internally. Private functions can also be called by derived contracts using inheritance. Private variables are accessible also in derived contracts.

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Definitions:

Muscle Fatigue

A condition caused by a buildup of lactic acid.

Aerobic Respiration

A process of producing cellular energy involving oxygen and converting glucose and other nutrients into ATP, the energy currency of the cell.

Botulism

A rare but serious illness caused by a toxin that attacks the body's nerves, leading to difficulty breathing, muscle paralysis, and sometimes death.

Bulging Cans

A sign that food cans are unsafe to use, typically indicating bacterial contamination or spoilage.