Question and answer
Which is heavier—warm air or cold air?
Cold air is much heavier than warm air.
Question
Asked 1/9/2015 12:32:10 AM
Updated 1/9/2015 1:25:01 AM
1 Answer/Comment
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Cold air is much heavier than warm air.
Added 1/9/2015 1:25:01 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [1/9/2015 1:26:18 AM], Rated good by jeifunk
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Questions asked by the same visitor
. Does air flow from low to high pressure
Question
Not Answered
Updated 1/9/2015 1:27:03 AM
1 Answer/Comment
FALSE. Air flow from high pressure to low pressure.
Added 1/9/2015 1:27:03 AM
This answer has been confirmed as correct and helpful.
Solve x ^2 + 8x + 7 = 0 User: Solve x^2 + 8x + 7 = 0
Weegy: 8x < 2 x < 2/8; x < 1/4 (More)
Question|Asked by Haileymichele
Updated 1/13/2015 1:24:11 PM
1 Answer/Comment
x^2 + 8x + 7 = 0;
(x + 7)(x + 1) = 0;
x + 7 = 0; x = -7;
x + 1 = 0; x = -1;
The solution set is {x = -7 or x = -1}
Added 1/13/2015 1:24:11 PM
This answer has been confirmed as correct and helpful.
I enjoy playing the piano. Gerund phrase: Noun function:
Weegy: A gerund is a verbal noun that refers to the action of the verb. In the sentence. "thinking is good exercise" thinking is a gerund (More)
Question
Updated 1/14/2015 12:00:39 PM
1 Answer/Comment
I enjoy playing the piano.
Gerund phrase: Playing the piano;
Noun function: Direct object
Added 1/14/2015 12:00:38 PM
This answer has been confirmed as correct and helpful.
When a solution is basic, the pH is always greater than ____
Question
Updated 12/22/2017 6:40:59 AM
1 Answer/Comment
When a solution is basic, the pH is always greater than 7.
Added 12/22/2017 6:40:59 AM
This answer has been confirmed as correct and helpful.
Confirmed by Masamune [12/27/2017 6:44:01 AM]
What is a strong base?
Question
Updated 1/14/2015 2:22:04 PM
1 Answer/Comment
A strong base is a basic chemical compound that can remove a proton (H+) from (or deprotonate) a molecule of a very weak acid in an acid-base reaction.
Added 1/14/2015 2:17:36 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [1/14/2015 2:21:54 PM]
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