Sharks use the ampulla of Lorenzini to detect electric fields.

I saw a big shark in the sea.

The intensity of the electric field is proportional to the amount of charge.

I saw a big shark in the sea.

His perception of music is very sharp.

He has an excellent ability to distinguish colors.

I will work using this laptop.

The human body is composed of many organs.

You need to use your head to solve this problem.