Which body paragraph does not have a transition in its topic sentence? select one:
a. one
b. two
c. three?

How can you tell the difference between rough er from smooth er?

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.

Why are current extinctions of concern to enviromentalists?