Answer:
True.
Explanation:
For ex.. the u.s trades with sardi arbia for oil.
D is the answer hope this helped
Answer is B. Pioneer communities contain few species, while climax communities have many species.
Pioneer species are the first species that start life in an area. Their growth is fast and soon replaced by next community. Whereas, climax communities are made of many species. They are stable is not replaced by any other community. They are supporting new life.
Have you you tried the science website look it up on Pinterest
would it be acidic? since it produces lactic acid