Greg is an environmental scientist. He wants to know how earth's atmosphere differed in two different time. To that end, he selected two time periods, time A and time B. Time A is set in the year one thousand when using fossil fuels was not very common. Time B is set in the year two thousand when fossil fuels are used in large quantities. Given the paragraph above, please answer correctly the following question: Would time B have more or less carbon dioxide released into the atmosphere than time A?
The answer to this question is:
more