Answer:
nutrients are recycled, but energy is not
Explanation:
In the flow of energy, the sun represents the maximum source of energy and this energy is converted into other forms, a transformation process where energy is not recycled but transformed into other forms. Already the flow of nutrients in an ecosystem occurs through biochemical cycles, where nutrients are used and recycled to be reused.
<span>After a long time, a mature community is established and this community does not change unless it is disturbed.</span>
Answer:
The wick absorbs the liquid wax and pulls it upward. The heat of the flame vaporizes the wax, and it is the wax vapor that burns. ... It continues to form as long as the wick is hot enough to vaporize paraffin. If you touch a lit match to the stream, a flame will run down it and re-light the wick.
Answer:
6. testable
7. non testable ( it is an opinion )
8. testable
9. testable
10. testable
11. non testable
12. testable
13. testable
14.non testable
15. testable
16. testable
Explanation:
ask yourself wether or not these questions could be answered as a lab it'll help you determine if they are testable or not.
* two populations of finches that cannot produce viable offspring