2. Imagine a tree that in one year increases its dry mass of wood by 1 kg in one year. Dry wood is typically 50% carbon by mass. a. What is

the quantity (with correct sign: use words to explain) of carbon dioxide absorbed from the atmosphere? b. Imagine that someone wants to offset emissions of 1 metric ton of carbon dioxide emissions from a fossil fuel (petroleum for example). How much wood mass would need to be grown? c. And, how long would the wood need to be maintained?