题目内容
(请给出正确答案)
[主观题]
() is taken in by plants to make food.
A、carbon dioxide
B、hydrogen
C、oxygen
D、nitrogen
提问人:网友li306817044
发布时间:2022-01-07
A、carbon dioxide
B、hydrogen
C、oxygen
D、nitrogen
A、Driving a car
B、Traveling by plane
C、Cutting down trees
D、All the options
A、Interscholastic Equestrian Association
B、Individualized Education Account
C、International Energy Agency
D、Infrastructure & Energy Alternatives
A、World Energy Forum
B、Organization for Economic Co-operation and Development
C、United Nations
D、International Renewable Energy Agency
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