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How can the motion of an object that is not moving change?
An object at rest has zero velocity – and (in the absence…
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How did the first cells obtain their energy?
The earliest cells were probably heterotrophs. Most likely they got their energy…
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How did the Chinese compass impact the world?
Appearing in China around the 4th century BC, primitive compasses showed people…
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How did Rome expand its power beyond Italy and what were the effects of this expansion?
Rome was able to gain its empire in large part by extending…
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How did Assyrian kings rule the conquered peoples?
How did Assyrians prevent conquered peoples from rebelling? By forcing them to…
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How did Romans transport goods?
Ancient Romans traveled by carriage, chariot, walking, riding horses, and riding on…
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How did the Homestead Act encourage settlement of the Great Plains?
The Homestead Act encouraged western migration by providing settlers with 160 acres…
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How deep does kelp grow?
Because of their dependency upon light for photosynthesis, kelp forests form in…
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How did Protestant Reformation start?
The Protestant Reformation began in Wittenberg, Germany, on October 31, 1517, when…
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How did public transportation change life in the cities?
It is a lifeline for millions of Americans connecting them to people,…
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How can we protect natural resources?
Reduce, reuse, and recycle. Cut down on what you throw away. ……
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How did the assassination of Lincoln impact the course of reconstruction quizlet?
How did Lincoln’s assassination affect Reconstruction? Lincoln’s assassination enabled Radical Republicans to…
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How did Tennessee avoid military reconstruction?
While the delegates were mostly conservatives, they were careful to write a…
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How Did The English Revolution Influence Political Thought?
How did the English Revolution influence political thought? After the revolution there…
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How can we control vehicular air pollution?
Drive less. Drive wise. Choose fuel efficient vehicles. Don’t idle. Optimize home…
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How can we relate the Byzantine Empire to ancient antiquity?
Just as the Byzantine Empire represented the political continuation of the Roman…
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How did alchemists contribute to science quizlet?
What did alchemists contribute to the development of chemistry? By helping to…
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How can you force a variable in a function to refer to the global variable?
If you want to refer to a global variable in a function,…
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How close can water wells be to each other?
Any contamination in your neighbor’s well can travel into your well. Some…
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How can you make soil more productive?
Prevent Sulfur Deficiency. Southeastern soils – and soils in other areas –…
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How can you magnetize a steel nail explain why this works?
You can magnetize a steel nail by rubbing it in one direction…
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How can we prevent landslides and sinkholes?
There are also various direct methods of preventing landslides; these include modifying…
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How cost effective is biomass?
Based on their emissions and cost calculations, the researchers found that saving…
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How did the great strike of 1877 aid or harm workers?
It spread across the nation halting rail traffic and closing factories in…
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How can you determine the origin of oxygen released by photosynthesis?
All photosynthetic eukaryotic cells contain chloroplasts that use the radiant energy of…
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How cold is too cold for sleeping?
Drerup. Blood vessels become constricted, breathing becomes shallow and it puts extra…
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How did Arizona get the nickname?
How did Arizona get its nickname. The Arizona state nickname is derived…
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How deep is the Port of Savannah?
Port of Savannah Owned by Georgia Ports Authority Type of harbor river…
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How Did The Geography Of Mesoamerica Encourage Trade?
How did the geography of Mesoamerica encourage trade? Resources varied from region…
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How did the Brown v?Board of Education decision influence the civil rights movement quizlet?
Brown v. Board of Education of Topeka was the spark that got…
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How did technology allow Africa to colonize?
Advancements in technology clearly had a significant part to play in facilitating…
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How did Spain lose their power as most powerful colonial power?
Spain experienced its greatest territorial losses during the early 19th century, when…
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How did the Enlightenment affect slavery?
Enlightenment thinkers argued that liberty was a natural human right and that…
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How did the American identity develop?
Americans adopted representative governments with democratic principles that allowed each person to…
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How did Polynesians use wind navigate?
When there were no stars because of a cloudy night or during…
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How common are nitrates in water?
Natural processes can cause low levels of nitrate in drinking water—usually less…
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How did scientists form the geologic time scale How is this scale organized?
Scientists first developed the geologic time scale by studying rock layers and…
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How can you predict whether a precipitation reaction will occur upon mixing two aqueous solutions?
Precipitation reactions occur when cations and anions in aqueous solution combine to…
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How did rice agriculture lead to prosperity and power for the Khmer empire?
The Khmer people’s ability to channel and store water led to the…
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How did a reliance on trade affect the development of African kingdoms quizlet?
How did a reliance on trade affect the development of African kingdoms?…