What is the direct source of energy for the production of oxygen by phytoplankton

Where would you expect to see seedless plants, such as ferns and mosses? a. in a botanical museum, because they are all extinct b. low and close to the ground in a moist environment c. climbing high while circling the branches of another plant d. deeply rooted in a forest with a trunk that reaches 20 meters or more

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi

Which is the graph of the piecewise function f(x)? f(x) = image for option 1 image for option 2 image for option 3 image for option 4