Carbon dioxide: is removed from the atmosphere by photosynthesis. comprises up to two percent of the atmospheric gases. is being removed from the atmosphere faster than it is being inputted. is not present in significant amounts in the atmosphere of venus.

What must happen before a body cell can begin mitotic cell division

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next

  the mississippians were considered to be  horticulturalists, which means they were