The flow of energy in an ecosystem can be illustrated by a pyramid. Why is less energy
available at the top of the pyramid than at the
bottom of the pyramid?
A. Organisms at the top of the pyramid use less
energy than organisms at the bottom of the
pyramid do.
B. Organisms at the bottom of the pyramid need
more energy to survive than organisms at the
top of the pyramid do.
C. At the bottom of the pyramid, organisms must
consume other organisms to get energy.
D. As energy moves up the pyramid, some energy
is lost. PLEAS HURRY

What volume of a 2.00 m stock solution of naoh is needed to prepare 150. ml of 0.40 m solution?

Which statement about the stamps is correct?

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