Which choice most effectively uses information from the given sentenc…

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While researching a topic, a student has taken the following notes:
- In a 2003 study, Alexander and Schrag tested the effect of plant litter on seedling emergence in a grassland setting.
- The test site was a mesic grassland in a dry midlatitude climate in the United States.
- The researchers found that in these environmental conditions the presence of plant litter had a positive effect on seedling emergence.
- Seedling emergence is when a seedling sprouts above ground and begins photosynthesis.

Which choice most effectively uses information from the given sentences to present the study's findings to an audience already familiar with the concept of seedling emergence?

The findings of Alexander and Schrag's study were published in 2003.

In a 2003 study by Alexander and Schrag, plant litter was found to have a positive effect on seedling emergence, which is when a seedling sprouts and begins photosynthesis.

The effect of plant litter, which includes dead leaves and other plant matter, on seedling emergence has been the subject of scientific study.

Alexander and Schrag found that in a mesic grassland and a dry midlatitude climate the presence of plant litter had a positive effect on seedling emergence.