Carbon Returns to the Atmosphere

question 49

Multiple Choice

Carbon returns to the atmosphere

• A) as carbon dioxide.
• B) All of the answer choices are correct.
• C) from respiration of plants.
• D) from respiration of animals.
• E) by the burning of fossil fuels.

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Definitions:

Hypothetical Questions

Questions about situations that are not real but are posed for discussion or consideration of potential outcomes.

Scale Model

A physical representation of an object that maintains accurate relationships between all important aspects of the model and the actual object, but at a reduced size.

Concrete-Operations

A stage in Piaget's theory of cognitive development, during which children aged 7 to 11 years begin to logically analyze situations and understand concrete relationships.

Concrete Operations

A stage in cognitive development, according to Piaget, where children gain the ability to think logically about physical objects and events.