1. is 'coal and oil' a compound name?
2. fill in the blank using correct form of tenses:
Burning of coal and oil_______(release) nitrogen oxide which _________(cause) breathing problems.
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Releases and causes is the answer for your question
goodmorning5504:
what about the first one??
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1. petrolium
2. Burning of coal and oil releases nitrogen oxide which causes breathing problems.
It is the ans.
2. Burning of coal and oil releases nitrogen oxide which causes breathing problems.
It is the ans.
thank you but i just want to know if 'coal and oil' is a compound name just like 'bread and butter'.
thank you
actually i was studying Grammar when i came across this rule that said that When a subject is made up of two or more nouns koined by 'and', it takes plural verb. But when the nouns make up a compound name of one thing, it is treated as singular and a singular verb is used.
i had a problem in the first part of the sentence because of this rule.
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