Water and air is essential to us.
Or
Water and air are essential to us.
Which one is correct? Because there are two element, should I use are. But they are both uncountable, should I use is?
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Sign up to join this communityWater and air is essential to us.
Or
Water and air are essential to us.
Which one is correct? Because there are two element, should I use are. But they are both uncountable, should I use is?
When you have two uncountable nouns connected by "and" you are still talking about plural things, so use the plural copula (or verb):
Water and air are essential to us.