are there answer choices? or we just pick two answers?
I believe it would be to calculate the amount of C-14 atoms left. scientists began to find out how long an object has been decaying, this has to do with half lifes etc. and how long a specific mineral/elements half life is. they use this to calculate how old it is (not an exact age but it's very accurate.)
Answer & Explanation:
The function of the sodium bicarbonate in this experiment, was providing carbon dioxide for photosynthesis to occur. ... For photosynthesis to happen for a light independent reaction, carbon dioxide needs to enter the plant.