Which statement describes one way that rna differs to from dna

Which best describes carbon dioxide’s path out of the body

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.

What could happen if two base pairs on a strand of dna or switched