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Quiz: identify the incorrect word:
Aeronomy is the study of the Earth's upper atmosphere, which includes their composition, temperature, density and chemical reactions.
Only select a single word, if a word is missing, select the previous word.
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Heavy oxygen, termed deuterium, composes of atoms which are ten percent heavier than those of oxygen.
The purpose of the United Nations, broad speaking, is to maintain peace and security and to encourage respect for human rights.
I need some rest, I will go to home.
A complex amount of linguistic information can be procured from a largest collegiate dictionary.
John Philip Sousa, who many people consider the greatest composer of marches, wrote his music during the era known as the Gay 90s.
Anders Celsius, a Swedish astronomer, devised the temperature scale what bears his name.
The way in which Ice Ages occur remains a puzzling, for recent meteorological records can tell us little about the process.
Brain growth is partially produced by the stimulate of ganglia during what is known as Rapid Eye Movement (REM) sleep.
With special enzymes that are call restriction enzymes, it is possible to split off segments of DNA from the donor organism.
If it was more humid in the desert of the Southwest, the hot temperatures would be unbearable.
If biennials were planted this year, they will likely to bloom next year.
Reptiles must always to avoid extremes of temperature if they are to maintain appropriate body heat.
Although it can be derived from oil, coal, and tar, kerosene is usually produced by refine it from petroleum.
Nomadic people use dung as their mainly fuel source.
Before she died, Andrew Jackson's daughter, who lives in the family mansion, used to take tourists through her home.
Who pays for wedding expenses depends on the culture in what the wedding takes place.
Many international corporations have exploited the natural resources of countries in third world.
Anthropologists assert that many of the early Native Americans who lived on the Plains did not engage in planting crops but hunt, living primarily on buffalo meat.
The value of dollar declines as the rate of inflation raises.
To generate income, magazine publishers must decide whether to increase the subscription price or selling advertising.
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