Answer:
D. One-third
Explanation:
A. is not the right answer. This is too little to spend on the shelter in a year.
B. is not correct. This would be too much to spend on the shelter.
C. is incorrect. One-quarter is the same as one-forth, therefore inccorect.
<u>D. is the right answer. On avarage, one third of earnings and consumption in American household would go on shelter, meaning housing, utilities, rent etc. </u>
The correct option is that:
C A forest is an open system in terms of energy.
D.A forest is an open system.
<h3>What is a forest?</h3>
It should be noted that the forest simply means the large area of land that's covered with trees and undergrowth.
In this case, it should be noted that a forest is an open system in terms of energy and that a forest is an open system.
Therefore, the correct options are C and D.
Learn more about forest on:
brainly.com/question/24518939
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