It is a lot of different they have different beliefs
Around 1800 (plus or minus about 5 years) is when it was estimated that the world's population had reached 1 billion.
Answer:
Freshwater, Ocean Water, and Terrestrial.
Explanation:
These are the broadest 'three types of ecosystems' that come to mind.
Answer:
Minerals precipitated from solution as water evaporates and materials formed through biological activity such as making shells or other hard parts
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Chernozem is the right answer
