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Author Question: An ecosystem is an example of a(n) _______________ system, because energy and matter are freely ... (Read 77 times)

shenderson6

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on: Jul 13, 2018
An ecosystem is an example of a(n) _______________ system, because energy and matter are freely exchanged at its boundaries.
 
 
 
 Fill in the blank(s) with correct word

Question 2

Earth moves around the sun in a perfectly circular orbit.
 
 
 
 
  Indicate whether the statement is true or false


recede

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Reply #1 on: Jul 13, 2018
Answer to Question 1

open

Answer to Question 2

F


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