If the diameter of the field on low power is about 2.5 mm, an object that takes up half that field is about how big? .5mm, 1.25mm, 2.5mm, non of the above

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates

Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.

Which of the following would involve looking at different structures of organisms and comparing how similar they are? a. vestigial structuresb. radiometric datingc. homologous structures