Answer:
The layer of greenhouse gases is permeable to one side and not permeable to another side.
Explanation:
Greenhouse gases such as carbondioxide, methane and water vapors etc formed a layer which allow the sun radiation to the earth surface but when these radiation reflected back, this layer traps these reflected radiation and the radiation remain suspended in air which heat up the particles present in the air and increases the temperature which causes global warming of earth surface. This phenomenon is also called greenhouse effect and it is also very useful in growing crops in cool seasons. So this layer is permeable from one side and not permeable from another side.
<span>Population density </span><span>defines the average number of people living within a square mile.
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Political system of collective ownership of property; population is of one class.
Communist Manifesto
Book by Marx urging workers to overthrow upper classes; textbook for communism and socialism.
Dissenter
One who disagrees or has a difference of opinion
Free Enterprise System
Political system in which the government allows citizens to own private businesses for profit.
Humanistic
Secular rather than godly; promoted during the Renaissance; putting more emphasis on mans will.
Of Reformation in England
John Milton's writing on the preference of a commonwealth over a monarchy.
Principles
A basic rule of standard.
Renaissance
A revival of art and learing arising between the 14th and 16th centuries.
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