Finish the following sentence with the best choice: How to prevent sun burn.

Choices:
- Keep skin covered if possible. Clothing provides all day UV protection.  Exposed skin should be covered with sunblock cream. Reapply as necessary.
- Keep skin covered if possible. Clothing provides all day UV protection.  Exposed skin should be covered with heavy cream. Reapply as necessary.

Answer:
Keep skin covered if possible. Clothing provides all day UV protection.  Exposed skin should be covered with sunblock cream. Reapply as necessary.