Using graphs 1 and 2 answer the questions below

Which of the following is not a way in which a vascular plant's xylem and phloem are similar?

Which system revise and send electrical signals throughout the body

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis