An ecosystem is like a machine that cycles matter by using: captured energy.
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Answer:
More?
Explanation:
Can you list the answer choices?
The answer is (1) !!
it is one direction, from sun to produces to consumer !!
Yes Darwin’s theory of natural selection
Answer:
Well, Earth is the same way! Earth is made up of several different layers, each of which has unique properties. Both parts of the core are made up of mostly iron and some nickel. The difference is that in the inner core, those minerals are solid and in the outer core, they're liquid.
