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Approximately how much of Earth's history occurred during the Precambrian super-eon A. 30% B. 50% C. 75% D. 90%
Approximately 90% of Earth's history occurred during the Precambrian super-eon.
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Asked 6/23/2016 11:09:11 AM
Updated 6/23/2016 11:40:42 AM
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What is one advantage of renewable energy resources ? A. dependent on location B. currently more expensive C. produce limited amounts of energy D. generally not a great contributor to pollution
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Not Answered
Updated 7/5/2016 7:18:14 AM
1 Answer/Comment
An advantage of renewable energy is generally not a great contributor to pollution.
Added 7/5/2016 7:18:14 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [7/5/2016 7:40:55 AM]
Ninety percent of life's history in the geological time scale is occupied by the A. Hadean Eon. B. Archean Eon. C. Proterozoic Eon. D. Precambrian Supereon.
Weegy: Ninety percent of life's history in the geological time scale is occupied by the Precambrian Supereon. (More)
Question
Updated 6/23/2016 8:42:00 AM
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Metamorphic rock forms from other rock when it is subjected to significant changes in which of the following? Select all that apply. A. heat B. pressure C. deposition D. chemical environment
Question
Not Answered
Updated 6/23/2016 7:08:46 AM
1 Answer/Comment
Metamorphic rock forms from other rock when it is subjected to significant changes in heat and pressure.
Added 6/23/2016 7:08:46 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [6/23/2016 7:09:04 AM]
Which type of rock does NOT belong in the same category as the others? A. slate B. skarn C. marble D. quartzite
Weegy: Skarn is the type of rock that does not belong to the same category. (More)
Question
Updated 6/23/2016 7:10:54 AM
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How can you determine the relative age of strata in a bed of rock? A. Darker colored layers are older. B. Younger layers cover older layers. C. Layers that have fossils are generally older. D. Each layer represents about one million years.
Question
Updated 4/3/2017 8:51:03 PM
1 Answer/Comment
You can determine the relative age of strata in a bed of rock in that: Younger layers cover older layers.
Added 4/3/2017 8:51:03 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [4/4/2017 8:39:53 AM]
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