
Concept explainers
(a)
Interpretation:
The Quino checkerspot butterfly is an endangered species with a small range in northern Mexico and southern California. Evidence reported in 2003 indicates that the range of this species is even smaller than previously thought. An explanation has to be proposed for the question that, why this species is being pushed north, out of Mexico.
Concept introduction:
Pollutants: The substance present in the environment in harmful concentration and cause pollution, and it will damaging the growth rate of species by interfering with the food chains, affect the health, comfort and property.
Global warming is a serious environmental issue, in which there is an increase in the overall temperature of the earth by various factors.
Climate change is the long term changes in temperature and precipitation in any specific area in the earth. Climate changes will occurs through natural ways and also in anthropogenic ways.
(b)
Interpretation:
The Quino checkerspot butterfly is an endangered species with a small range in northern Mexico and southern California. Evidence reported in 2003 indicates that the range of this species is even smaller than previously thought. An explanation has to be proposed for the question that, why this species is being pushed south, out of southern California.
Concept introduction:
Pollutants: The substance present in the environment in harmful concentration and cause pollution, and it will damaging the growth rate of species by interfering with the food chains, affect the health, comfort and property.
Global warming is a serious environmental issue, in which there is an increase in the overall temperature of the earth by various factors.
Climate change is the long term changes in temperature and precipitation in any specific area in the earth. Climate changes will occurs through natural ways and also in anthropogenic ways.
(c)
Interpretation:
The Quino checkerspot butterfly is an endangered species with a small range in northern Mexico and southern California. Evidence reported in 2003 indicates that the range of this species is even smaller than previously thought. A plan has to be proposed for the to prevent further harm to this endangered species.
Concept introduction:
Pollutants: The substance present in the environment in harmful concentration and cause pollution, and it will damaging the growth rate of species by interfering with the food chains, affect the health, comfort and property.
Global warming is a serious environmental issue, in which there is an increase in the overall temperature of the earth by various factors.
Climate change is the long term changes in temperature and precipitation in any specific area in the earth. Climate changes will occurs through natural ways and also in anthropogenic ways.

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Chapter 4 Solutions
Chemistry In Context
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