It is a genetic disorder that causes blisters to form on the skin.

Also, gravity could cause the snowballs to form instead of the wind.

What causes them to form and what is the likelihood of there being another with properties similar to Earth's?

And on some whim or other, he'd caused them to form letters.

His various ways of repression cause many super-powered teens to form a resistance army.

Use light even strokes so as not to cause bubbles to form in the film.

Many medical conditions can affect the normal balance and cause stones to form.

It is not known what causes these tumors to form.

Heat can cause the double bonds to form a ring.

Light can also cause the double bonds to form a ring.