If Atmospheric CO₂ Doubled, ________ Would NOT Occur Inside Canadian

question 63

Multiple Choice

If atmospheric CO₂ doubled, ________ would NOT occur inside Canadian vegetation boundaries.

• A) a decrease in the area covered by tundra
• B) an increase in the area covered by boreal forests
• C) an increase in semi-arid land
• D) an increase in temperate forests

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Definitions:

Hypothalamus

A region of the brain that regulates basic biological needs and motivational systems such as hunger, thirst, and body temperature.

Sleep

A natural condition that impacts both mind and body, marked by a change in consciousness, reduced sensory experiences, and a suppression of most voluntary muscle movements.

Suprachiasmatic Nucleus

A region in the brain located in the hypothalamus, responsible for regulating circadian rhythms through its control over sleep-wake cycles.

Sleep

A naturally recurring state of mind and body characterized by altered consciousness, relatively inhibited sensory activity, reduced muscle activity, and inhibition of nearly all voluntary muscles during rapid eye movement (REM) stages.