Which of the following statements is not true of soil? (3 are true, 1 is not, choose the one that is
not true)
a. it takes a long time to form
b. living organisms add nutrients to it
c. there is one kind of soil in the u. s.
d. it is a loose covering of broken rock particles and decaying organic material

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

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 test would show positive results for orange juice