Melissa Uses a Sunscreen with an SPF Rating of 20

question 24

Multiple Choice

Melissa uses a sunscreen with an SPF rating of 20. What does this rating mean?

• A) She can stay in the sun for 20 minutes without getting tanned or burned.
• B) She can stay in the sun 20 times longer without getting burned than if she had not used it.
• C) She is protected against the full range of ultraviolet radiation.
• D) Her sunscreen contains 20 different ingredients to block ultraviolet radiation.

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Definitions:

Price Of Scone

The amount of money charged for a single scone, determined by factors like production costs, demand, and supply.

Rises

Rises refers to an increase or upward movement in quantity, value, or level of a given entity or phenomena.

Opportunity Cost

The cost of missing out on the second-best choice when making a decision.

Taco

A traditional Mexican dish consisting of a folded or rolled tortilla filled with various mixtures, such as meat, cheese, and vegetables.