The Green Machine: Unlocking the Secrets of Nature's Energy Production

Which gas do plants primarily use for photosynthesis?
Which gas is used to inflate airbags in vehicles?
Which of the following is an example of a first-class lever?
Which of these is a type of symbiotic relationship where both organisms benefit?
Which of these is an example of a mechanical wave?
Which type of bond forms when atoms share electrons?
Which type of electromagnetic radiation has the highest energy?