What type of cell division does the generative of a male angiosperm gametophyte cell undergo to produce sperm cells?.

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

one would be wind another would be water density

the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.

answer:

sequence 1- deletion

                  2- duplication

                  3- insertion

                  4- substitute

                  5- inversion