Use “that” to introduce a clause that is essential to the sentence’s meaning, and use “which” to introduce extra, nonessential ...

 A fridge keeps food cold, usually between 1 and 4 degrees Celsius, to slow spoilage. A freezer keeps food frozen ...

Wavy hair forms loose, S shaped bends and often lies flatter near the roots. Curly hair forms tighter, more defined ...

A founder is the person who started the company, while a CEO is the person currently running its daily operations. ...

College and university both mean a place of higher education, but a university offers full degree programs including graduate study, ...

A kilogram is a metric unit of mass equal to about 2.2 pounds. A pound, meanwhile, is an imperial unit ...

A bungalow is a small, single story home built for simple, practical living. A villa, on the other hand, is ...

Sofa and couch both mean the same piece of furniture used for sitting, but sofa sounds more formal and is ...

Carpet usually means wall to wall flooring that covers an entire room, while rug refers to a smaller, separate piece ...

A cheetah and a leopard are two completely different big cats. A cheetah is built for speed with a slim ...