Which common disease is caused by a deficiency of insulin or the body's inability to use insulin effectively?

Which everyday process best illustrates the conversion of chemical energy into mechanical energy?

Which essential mineral is critical for maintaining strong bones and teeth in the human body?

Which property of water allows insects like water striders to walk on its surface?

Which part of the human eye controls the amount of light entering it?

Which gas commonly used in refrigerators and air conditioners was historically linked to ozone layer depletion?