Answer: About 1/3 of the co2 produced by humans during the past century has been absorbed by the ocean.
The role of religion has steadily declined in recent years.
The Ring of Fire is the circle of volcanoes around the Pacific Ocean
Soil erosion is a recent problem in Tanzania even though the Masai have used their land for herding for so many years. This dramatic increase in soil erosion now even shows signs of an almost total destruction in the Tanzanian Maasai landscape.
The main trigger for soil erosion is the loss of vegetation cover which makes it easier for natural factors & man-made factors to cause even more damage.
It can't be B or C.. or D so try A. Plant succession <span>is the process of change in the species structure of an </span>ecological<span> community over time. The time scale can be decades (for example, after a wildfire), or even millions of years after a mass extinction.</span>
