Other than contributing to potential increase in diversity of species in an ecosystem, exotic species have positive benefits like removing toxins from the soil, regulating erosion, and controlling undesirable species.
B) Oxygen may not have been able to accumulate in the atmosphere
Answer:
The prevailing wind direction is West, even though natural wind direction is East. The West winds prevail because they are much stronger. The way this works is that the San Francisco Bay water is a constant cool temperature (around 50-60 degrees).
Explanation: