Eons: Hadean, Archean, Proterozoic
It may or may not turn acidic depending on the area or time of the year it is.
The right answer for the question that is being asked and shown above is that: "(4) the introduction of a species that has increased the long-term biodiversity of an ecosystem." This plant ruins fishing areas and interferes with boating and other water sports. This is an example of the introduction of a species that has increased the long-term biodiversity of an <span>ecosystem</span>
in my knowledge biotic factors could affect this process of photosynthesis