
To determine: The future concentration of atmospheric CO2 (carbon dioxide), arctic sea ice, and global temperature is based on the given trend line.
Introduction: Climatic change is a long term significant change in climate that is also known as global warming. Human activities play a key role in climate change, which increases the concentration of the greenhouse effect and results in the rise of sea water level, prolonged weather condition, and increase the Earth’s temperature.
To determine: The period when arctic became ice free in the late summer if the given trend persists.
To determine: The condition when the concentration of CO2 is doubled from the preindustrial level.
To determine: Whether it is reasonable to extrapolate the trend lines into the future.

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Chapter 29 Solutions
Biology
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