What is the main ingredient in bread?

What process is used to kill harmful bacteria in milk?

Which of these foods is produced through fermentation?

What type of farming is used to grow vegetables without soil?

Which gas is commonly used to ripen bananas?

What is the main ingredient in tofu?

What is the main ingredient in chocolate?

What is the main ingredient in ketchup?

Which grain is commonly used to make pasta?

What cooking process involves heating sugar until it turns brown?