The seasonal shifts of earth's planetary wind and moisture belts are due to changes in the 1) distance between earth and the sun
2) amount of energy given off by the sun
3) latitude that receives the sun's vertical rays
4) rate of earth's rotation on its axis

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.