Topic Details (Notes format)

What is the main function of the ozone layer?

Which gas is used in fire extinguishers?

What is the unit of electric current?

Which acid is found in the human stomach?

What is the main purpose of stomata in plants?

Which process separates light into its component colors?

Which part of the human eye is responsible for focusing light on the retina?

What type of electromagnetic radiation has the longest wavelength?

What is the boiling point of water at standard atmospheric pressure?

What is the primary source of energy for life on Earth?