IB ESS Unit 2: Ecosystems & Ecology (id: dd097ec6b)

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 carbon th,9o5h-o:v iswm anc b6rough the carbon cv ,4 zrd-/qo)peb1auv ycle


[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 occurs when the chemical mg0 lad4vw3* cdq:usr xx( ((wsakeup of the matter is uncluv4rq w (:ddca x3s(gx *s(0whanged. In example 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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