GMATantidote wrote:
A significant portion of green house gas emissions come from methane, which, in terms of its contribution to global warming, is 23 times as powerful as carbon dioxide.
A) A significant portion of green house gas emissions come from methane, which, in terms of its contribution to global warming, is 23 times as powerful as carbon dioxide.
B) A significant portion of green house gas emissions comes from methane, which, in terms of its contribution to global warming, is 23 times as powerful as carbon dioxide.
C) A significant portion of green house gases come from methane emissions, which, in terms of its contribution to global warming, is 23 times as powerful as carbon dioxide.
D) A significant portion of green house gases comes from methane emissions, which, in terms of its contribution to global warming, are 23 times as powerful as carbon dioxide.
E) A significant portion of green house gases is methane emissions, which, in terms of its contribution to global warming, is 23 times as powerful as carbon dioxide.
Meaning : A significant portion of greenhouse gas emissions comes from methane and this portion is 23 times as powerful as carbon dioxide.
A)
A significant portion of green house gas emissions come from methane, which, in terms of its contribution to global warming, is 23 times as powerful as carbon dioxide. - Significant portion is single and it has be single, where come is plural.
B)
A significant portion of green house gas emissions comes from methane, which, in terms of its contribution to global warming, is 23 times as powerful as carbon dioxide. - correct as per meaning and precise.
C)
A significant portion of green house gases come from methane emissions, which, in terms of its contribution to global warming, is 23 times as powerful as carbon dioxide. -
come is pluralD)
A significant portion of green house gases comes from methane emissions, which, in terms of its contribution to global warming, are 23 times as powerful as carbon dioxide. -
are is plural and portion is single.
E)
A significant portion of green house gases is methane emissions, which, in terms of its contribution to global warming, is 23 times as powerful as carbon dioxide.[/quote] -
meaning error, here portion come from methane...