How are systems encountered in nature at Earth's surface,such as a forest,best described?
A)As open systems in terms of energy.
B)As closed systems in terms of energy.
C)As open systems in terms of matter.
D)As open systems in terms of energy and as open systems in terms of matter.

Question

Quizplus · Accepted Answer

Systems encountered in nature at Earth's surface, such as a forest, are best described as open systems in terms of both energy and matter. Energy and matter flow in and out of the system in a continuous cycle, making it open in both aspects.

How Are Systems Encountered in Nature at Earth's Surface,such as a Forest,best