The amount of carbondioxide in the atmosphere would greatly increase if there were fewer plants.
(Plants) is the answer.
Answer:
A. definite volume and definite shape
Mark me as brainliest
Decomposers is the correct answer
The difference between the two students that we know of is that they used a different meter stick. So the difference would be best attributed to the different tools they used.
Note, this is quite a huge difference. It's likely that one of the sticks, or both, are quite defect.