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.
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Answer: The Mexican Cession
Explanation: If we are measuring this impact by land area, the mexican cession definitely had the biggest impact, since it was the first land acquisition that connected the US to the Pacific and truly accomplished manifest destiny.
O It is the global interconnecting web of physical and biological phenomena
<span>o We use it because global change involves the transformations and modifications of physical and biological components of the Earth System through time. Unidirectional change results in transformations that never repeat, whereas cyclical change involves repetition of the same steps over and over again.</span>
Answer:
Explanation:
Constrictive = more old than young (population is getting smaller (constricting)
Expansive = more young than old (population is expanding)
Stationary = equal old/young (population steady)