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2. A natural resource that is mined for profit is called A. aggregate. B. topsoil. C. ore. D. sand.
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Asked 12/10/2013 4:30:46 PM
Updated 9/3/2014 5:35:07 PM
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User: 1. The largest time unit in the geologic time scale is the A. era. B. epoch. C. period. D. eon.

User: 1. The largest time unit in the geologic time scale is the

User: 2. A natural resource that is mined for profit is called A. aggregate. B. topsoil. C. ore. D. sand.

Weegy: A natural resource that is mined for profit is called: D. ore.
alfred123|Points 5034|

User: 3. Sand or gravel that naturally forms near Earth's surface is known as A. bedrock. B. aggregate. C. ore. D. pollen.

Weegy: Sand or gravel that naturally forms near Earth's surface is known as D)Bedrock Sand and gravel is usually mined in surface pits or rock is crushed to size, gold is mined in surface pits, underground mines, and in streams and rivers.
broarnoldmartin|Points 45|

User: 4. The building blocks of proteins are known as

User: 4. The building blocks of proteins are known as A. carbon dioxide. B. euphoric acid. C. oxygen. D. amino acids.

Weegy: The building blocks of proteins are known as A. amino acids.
experto|Points 517|

User: 5. What is the oldest and most stable part of a continent? A. Shield B. Crust C. Craton D. Pluton

Weegy: D. Craton is the oldest and most stable part of a continent.
alfred123|Points 5034|

User: 6. Small fragments of orbiting bodies that have fallen on Earth's surface are known as A. asteroids. B. uranium. C. zirconium. D. meteorites.

Weegy: Small fragments of orbiting bodies that have fallen on Earth's surface are known as D. meteorites.
selymi|Points 12212|

User: 7. In addition to being necessary for respiration, _______ also provides UV radiation protection. A. hydrogen B. water C. oxygen D. carbon dioxide

Weegy: In addition to being necessary for respiration, ~oxygen~ also provides UV radiation protection. [ ]
matahari|Points 2992|

User: 8. The change in isotopes over time due to the emission of radioactive particles is known as A. radioactive decay. B. absolute-age dating. C. half-life. D. radiometric dating.

Weegy: The change in isotopes over time due to the emission of radioactive particles is known as D. radioactive decay.
Ems67|Points 210|

User: 9. The process to convert seawater into freshwater is known as A. desertification. B. salination. C. deforestation. D. desalination.

Weegy: The process to convert seawater into freshwater is known as: A. DESALINATION.
andrewpallarca|Points 28158|

User: 10. Which colorless and odorless gas, produced by radioactive decay of Uranium-238, is considered to be a cancer-causing agent? A. Hydrogen B. Radon C. Boron D. Oxygen

Weegy: The colorless and odorless gas, produced by radioactive decay of Uranium-238, considered to be a cancer-causing agent is known as B. Radon
armageddon|Points 2072|

User: 11. The greenhouse effect is related to the phenomenon of an increase in average surface temperature known as A. global warming. B. conservation. C. agricultural improvement. D. air pollution.

Weegy: The greenhouse effect is related to the phenomenon of an increase in average surface temperature known as D. global warming.
Sting|Points 6536|

User: 12. The combination of sulfur dioxide, nitrogen oxide, and atmospheric moisture creates A. drinking water. B. acid rain. C. smog. D. pesticides.

Weegy: The combination of sulfur dioxide, nitrogen oxide, and atmospheric moisture creates - - B. ACID RAIN.
yumdrea|Points 3342|

User: 13. Ancient cyanobacteria released ______, which assisted in creating the atmosphere as we know it today. A. hydrogen B. lead C. oxygen D. ore

Weegy: Ancient cyanobacteria released B. oxygen , which assisted in creating the atmosphere as we know it today.
biank1989|Points 179|

User: 14. The ancient geographic setting of an area is known as its A. paleogeography. B. passive margin. C. phytoplankton. D. transgression.

Weegy: The ancient geographic setting of an area is known as its A. paleogeography.
jeifunk|Points 11897|

User: 15. The time units used by scientists to divide Earth's history are part of the A. 24-hour model. B. 180° longitude. C. geologic time scale. D. 360° latitude.

Weegy: The time units used by scientists to divide Earth's history are part of the: D. Geologic time scale.
andrewpallarca|Points 28158|

User: 16. The resources that are provided by Earth are known as _______ resources. A. synthetic B. natural C. renewable D. nonrenewable

Weegy: The resources that are provided by Earth are known as __B. natural resources. Natural resources are often classified into renewable, flow, and non-renewable resources.
Marvel2|Points 2108|

User: 17. In addition to possibly releasing harmful chemicals in the environment, mining is considered A. the least dangerous job in the United States. B. the most lucrative job in the United States. C. the least lucrative job in the United States. D. the most dangerous job in the United States.

Weegy: In addition to possibly releasing harmful chemicals in the environment, mining is considered: B. the most dangerous job in the United States.
andrewpallarca|Points 28158|

User: 18. Which of the following resources is a nonrenewable resource? A. River B. Tree C. Carbon D. Gold

Weegy: Carbon and Gold changes form into some other material. River once drained out can be rejuvenated by the water added from glaciers and rain water. But trees are life forms. Once died can not be brought back to life. My answer is C. Tree.
grefaldiomarites|Points 262|

User: 19. Another name for unicellular organisms that dominated Earth up to the Precambrian time is A. eukaryotes. B. cyanobacteria. C. prokaryotes. D. stromatolites.

Question
Asked 12/10/2013 4:30:46 PM
Updated 9/3/2014 5:35:07 PM
1 Answer/Comment
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The largest time unit in the geologic time scale is the EON.

Added 9/3/2014 5:35:07 PM
This answer has been confirmed as correct and helpful.
Confirmed by selymi [9/8/2014 8:55:57 AM]
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