Topic Details (Notes format)

What is the main component of natural gas?

Which organ regulates blood sugar levels in the human body?

Which disease is caused by a virus?

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

What is the main function of the ozone layer?

Which type of bond is present in sodium chloride?

What is the smallest unit of life?

What is the chemical name of table salt?

What is the most common state of matter in the universe?

What is the approximate age of the Earth?