Answer:
7. Source #1: Biofuel from Sunflowers
8. Source #2: Shrinking Violets They Aren't
9. Both
10. Source #2: Shrinking Violets They Aren't
11. The TWO details from the different sources that support the claim that cultivating sunflowers provides benefits beyond pretty-looking flowers are:
✔️“Among the crops identified as potential sources of bioethanol are: sugarcane, sweet sorghum, coconut, corn, cassava, and jathropa. And now, sunflower is also coming into the picture as another potential biosource for ethanol.”
✔️“… growers are experimenting with sunflowers in a soil-treatment practice called phytoremediation. In field tests last summer, the plant's deep taproots seemed to pull heavy metal contaminants like mercury and lead from the garden's polluted soil."
Explanation:
"Agriculture is the new resource for biofuels" is actually seen in Source #1 of the excerpt: Biofuel from Sunflowers. It's clearly seen that Sunflower has the potentials to be used as a biofuel. And not just that, some other agricultural crops like cassava, corn, sorghum, sugarcane, etc are good now used for biofuels.
"Sunflowers can be used as food sources" is supported by Source #2. Below is an excerpt from Source #2 that supports that:
On other occasions, the seeds "were roasted over a fire, then pounded and cooked with roasted white corn, sweetened with maple sugar and used in somewhat the same way we use lard."
Also, we see that the both sources reveal that sunflowers have demonstrated tremendous usefulness to humanity throughout the centuries and new uses are being explored.
We can as well see that Source #2 supports that "Sunflowers can help restore healthy soil". Here is an excerpt:
At the South Bronx community garden La Finca del Sur, she said, growers are experimenting with sunflowers in a soil-treatment practice called phytoremediation. In field tests last summer, the plant's deep taproots seemed to pull heavy metal contaminants like mercury and lead from the garden's polluted soil.
