How many non metals are there in benzoic acid?

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.

Which method would be best to separate a mixture of sand and gravel

Agust of wind blowing east pushes against a ball. when will the wind do work on the ball? when the ball moves to the east when the ball moves to the north when the ball stays in one place when the ball moves north or south