The heart is a cone-shaped, fist-sized organ positioned on a tilt, with two-thirds of its mass to the A. Left of center, base down B. Right of center, base down C. Left of center, base up D. Right of center, base up

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.