Topic Details (Notes format)

Which disease is caused by the deficiency of vitamin C?

Which gas is commonly used in balloons to make them float?

Which planet is known as the "Red Planet"?

Which organ stores and releases glucose in the human body?

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

What is the chemical name of table salt?

What is the main function of the ozone layer?

Which gas is most abundant in Earth’s atmosphere?

What is the most abundant element in the universe?

What is the chemical formula of methane?