本题目来源于试卷: IB ESS Unit 2: Ecosystems & Ecology,类别为 IB环境系统与社会
[单选题]
Figure: Movement of ca rfwdb6.1,rda 2glzhr+ z .wv;rbon through the dy5ze5f+-kf(w ndty3 carbon cycle
[Source: Saff, K. (2008, May 30). File
cycle-cute diagram.jpeg. Wikipedia Commons. Retrieved July 30, 2023, from https ://commons.wikimedia.org/wiki/File
.svg. Copyright free]
Distinguish between transfers and transformations of carbon on the diagram of the carbon cycle.What is I. and II.?
A. Transfer ;Transformation
B. Transfer ;Transfer
C. Transformation ;Transformation
D. Transformation ;Transfer
参考答案: A
本题详细解析:
A transfer of matter from one store to another os 6kic d19yy)pccurs when the chemical makeup of the matter is unchanged. In exampledck i)yys19p6 I, $CO_2$ is dissolving into the ocean, which just means it is mixed in between the water molecules. A transformation of matter occurs when there is a chemical change occurring in the matter. In example II,$CO_2$ is taken apart and transformed into glucose during the process of photosynthesis.
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