Which sentence provides objective information?

1. The stem of a sunflower can grow up to 10 feet tall.
2. sunflowers are more beautiful than tulips.
3. sunflower seeds, taste delicious, and salads.
4. growing a sunflower that is 10 feet tall is very impressive.

1. The stem of a sunflower can grow up to 10 feet tall.

The sentence that provides objective information is:

1. The stem of a sunflower can grow up to 10 feet tall.

This sentence provides factual information about the potential height of a sunflower stem. It does not include any subjective opinions or personal preferences.

The sentence that provides objective information is:

1. The stem of a sunflower can grow up to 10 feet tall.