Atmospheric Carbon Dioxide Levels Are Increasing Because

question 51

Multiple Choice

Atmospheric carbon dioxide levels are increasing because

• A) human agriculture has greatly increased the amount of carbon dioxide given off by plants during respiration.
• B) human activities have begun to release carbon that was formerly sequestered in fossil fuels into the atmosphere.
• C) holes in the ozone layer have reduced the total amount of photosynthesis occurring in the biosphere.
• D) the huge growth of the human population and the domestic livestock population has increased the amount of carbon dioxide being released through respiration.

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Definitions:

Insomnia

A sleep disorder where individuals have difficulty falling asleep, staying asleep, or experience non-restorative sleep, resulting in daytime impairment.

Consistently Feels Tired

Experiencing fatigue or a lack of energy on a regular or continual basis.

Narcolepsy

An enduring disorder of sleep, distinguished by extreme daytime lethargy and sudden occurrences of sleeping.

Extreme Sleepiness

An excessive level of tiredness that can significantly impair cognitive function and physical activity.