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Which of these forms of transportation was not an innovation that used rails? the subway the automobile the elevated train the streetcar the trolley
answered
Jul 12, 2018
History
middle-school
4
votes
38.2k
views
When the sun produces energy, it consumes hydrogen and produces _____?
answered
Mar 1, 2018
Biology
high-school
4
votes
197k
views
One characteristic used to place organisms into kingdoms is what?
answered
Feb 7, 2018
Biology
college
0
votes
46.9k
views
Which elemen is balanced in this equation? a.2h2 o2 2h2o b. h2 o2 2h20
answered
May 1, 2017
Physics
high-school
5
votes
214k
views
CH3COOH mc015-1.jpg CH3COO– (aq) + H+(aq) What will happen to the chemical equilibrium of the solution if CH3COONa is added?
answered
Apr 10, 2017
Chemistry
high-school
1
vote
145k
views
Which chart correctly identifies the properties of electric and magnetic fields? A. Property Electric Field Magnetic Field Can be produced by moving electric charge X X Have two sides with opposite characteristics
answered
Jan 25, 2017
Physics
middle-school
3
votes
221k
views
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