Which of the following best explains why the oceanic crust is youngest at the oceanic ridges? A. the theory of plate tectonics
B. the flow of the oceans’ currents
C. the different depths of the ocean
D. the theory of continental spreading

In saturated organic compounds, all the bonds between carbon atoms are called?

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

In one or two grammatically correct sentences, write a definition for the term molecule geometry