Question Detail
Question
Algae are responsible for a significant portion of the Earth's ______ as a by-product of their photosynthetic process.
Correct Answer
Option C is the correct answer.
Detailed Explanation
Page 4 mentions, 'They are responsible for a significant portion of the Earth's oxygen production, which is a by-product of their photosynthetic process.'
Hint
What crucial gas is released during photosynthesis?