<span>There are nine baobab trees found in Africa. There are six species in the drier parts of Madagascar, then two in mainland Africa, and finally one in Australia.</span>
B to obtain oxygen
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Answer:
It is how something has been developing/developed over a certain time period starting off simple to become something composite. It has an advancement or growth to it. In other words it is something that progresses throughout time and has a change in transformation.
Preventing areas from being developed