Which of the spheres- biosphere, atmosphere, geosphere, hydrosphere- is the coolest and why?

Patricia is told by her physician that her body and brain chemistry have physically adapted to the drug and that she has become dependent on the tranquilizers prescribed for her by another doctor.

Convert 9.75 millimeters to centimeters.centimeters

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