Oxygen makes up about _____ percent of earth's atmophere. A. 100% B. 78% C. 21% D. 1%
Question
Asked 9/18/2013 11:06:36 AM
Updated 3/18/2014 7:21:29 AM
Original conversation
User: Oxygen makes up about _____ percent of earth's atmophere. A. 100% B. 78% C. 21% D. 1%

Weegy: C. 21%. Oxygen makes up about 21 percent of earth's atmosphere.
andrewpallarca|Points 25545|

User: Which layer contains ozone? A. Thermosphere B. Mesosphere C. Stratosphere D. Troposphere

Weegy: In which layer do most weather phenomena occur? D. Troposphere
cjabward|Points 760|

Question
Asked 9/18/2013 11:06:36 AM
Updated 3/18/2014 7:21:29 AM
Rating
3
Stratosphere contains ozone.
Added 3/18/2014 7:21:29 AM
This answer has been confirmed as correct and helpful.

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Questions asked by the same visitor
how many more times intense would a 5.0 earthquake be than a 2.0? A. 3 times B. 10 times C. 100 times D. 1000 times
Weegy: A 5.0 earthquake is C. 100 times (More)
Question
Updated 9/27/2014 9:06:53 AM
A 5.0 earthquake is 1000 times more intense than a 2.0 (because the Richter scale is a logarithmic scale).
Added 9/27/2014 9:06:53 AM
This answer has been confirmed as correct and helpful.
What does the L in LAN represent? A. Last B. Limited C. Local D. Longitudinal
Question
Updated 12/10/2015 11:33:07 PM
The L in LAN represent: Local.
Added 12/10/2015 11:33:07 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [12/11/2015 12:18:56 AM]
Earth's dense core is made of A. copper B. lead C. iron
Question
Updated 344 days ago|10/13/2017 4:24:10 PM
Earth's dense core is made of iron.
Added 344 days ago|10/13/2017 4:24:09 PM
This answer has been confirmed as correct and helpful.
Confirmed by Janet17 [10/13/2017 5:07:01 PM]
The Islands of Hawaii are caused by? _______________. A. a divergent plate boundary B. a transform fault C. a subduction zone D. intraplate hotspot activity User: The source of an earthquake's motion is called the ______________. A. epicenter B. crater C. fault D. focus
Question
Updated 6/6/2015 4:45:51 AM
The Islands of Hawaii are caused by: a subduction zone.
Added 6/6/2015 4:45:01 AM
This answer has been confirmed as correct and helpful.
Confirmed by sujaysen [6/6/2015 8:46:20 AM]
The source of an earthquake's motion is called the: FOCUS.
Added 6/6/2015 4:45:51 AM
Rocks are composed of ___________________. A. pebbles B. minerals C. fluids D. magma
Question
Updated 270 days ago|12/27/2017 9:12:43 AM

Rocks are composed of: minerals.

Added 270 days ago|12/27/2017 9:12:43 AM
This answer has been confirmed as correct and helpful.
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