Answer:
1. The author believes that the challenges presented might be solved through growing of algae in enclosed bioreactors (even though bioreactors are expensive), the involvement by big-league investors and oil giants and with clear understanding of the yield algae will produce.
2. The challenges the author described in this article are:
i. The challenge of looking for the right algae strains/species that can give high yields.
ii. The challenge of protecting from contamination.
iii. The challenge of building cost-effective chambers.
iv. The challenge of harvesting the oil effectively.
Below is an evidence from the excerpt:
Challenges include finding strains of algae that reliably produce high yields, keeping contamination at bay, developing cost-effective growth chambers and efficiently harvesting oil from the cells."
Explanation:
"Gold Rush Of Algae" gives a clear insight into the importance of algae. This excerpt reveals the economic benefits of algae and the prevalent issues and challenges surrounding the cultivation of algae. The author gives some advice on how to deal with the challenges.
According to the author, the challenges can be solved by growing algae in enclosed bioreactors.
The challenges that were described by the author include:
According to the passage, it was stated that finding strains of algae that reliably produce high yields was challenging and efficiently harvesting that oil from the cells of the algae.
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