AP Environmental Science Flashcards: Atmospheric $ ext{CO}_{2}$ and Particulates
Written by AP Content Team, Verified for 2026 AP Exams, Last updated: May 2026
Review key ideas with interactive flashcards. This set includes 10 cards to help you master important concepts.
How does respiration affect atmospheric CO₂?
Respiration is a natural process that releases CO₂ into the atmosphere.
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How does respiration affect atmospheric CO₂?
Respiration is a natural process that releases CO₂ into the atmosphere.
Based on the text, do CO₂ and particulates share any common natural sources?
The provided text does not specify if CO₂ and particulates share any common natural sources, only that both have them.
According to the text, what two substances appear naturally in the atmosphere from various sources?
CO₂ and particulate matter are two substances that appear naturally in the atmosphere from various sources.
Besides biological processes like respiration and decomposition, what is a geological source of natural CO₂?
Volcanic eruptions are a natural geological source that releases CO₂ into the atmosphere.
Identify a natural source of atmospheric CO₂.
Respiration, decomposition, or volcanic eruptions are all natural sources of atmospheric CO₂.
What is a natural source of particulates?
The text states there are a variety of natural sources of particulate matter, without specifying them.
How does the process of decomposition contribute to atmospheric gases?
Decomposition is a natural source of atmospheric CO₂.
Does the provided text suggest that sources of natural particulate matter are limited or diverse?
The text suggests the sources are diverse by stating there are 'a variety of natural sources' for particulate matter.
What are three natural sources of atmospheric CO₂ mentioned in the text?
Three natural sources of atmospheric CO₂ are respiration, decomposition, and volcanic eruptions.
A student claims that all atmospheric CO₂ is from human activity. How does the provided text refute this?
The text refutes this by identifying several natural sources of atmospheric CO₂, including respiration, decomposition, and volcanic eruptions.