Topic Details (Notes format)

Which gas is most abundant in Earth’s atmosphere?

What is the term for an organism that can make its own food?

What is the pH of pure water at 25°C?

Which organ regulates blood sugar levels in the human body?

Which process converts glucose into energy in the human body?

What is the chemical formula of methane?

Which law states that energy cannot be created or destroyed?

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

Which part of the plant conducts water?

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