Question

1. which is the best example of a relevant fact for explanatory text about sunscreen spf levels? many people forget to reapply sunscreen after they swim. it is important to use sunscreen while outdoors. sunscreen containers come in different sizes. the spf on a sunscreen label stands for sun protection factor.

Explanation:

The question asks for a fact relevant to sunscreen SPF levels. This option directly defines what SPF means, making it most relevant to the topic of SPF levels. The other options are about sunscreen - usage habits, general importance of sunscreen, and container - size, not about SPF levels themselves.

Answer:

The SPF on a sunscreen label stands for sun protection factor.