Which statement best describes how waves impact beaches? question options: (a) beaches change over time as waves move further up the shore. (b) beaches are always changing due to factors such as waves adding and eroding sand. (c) beaches change little over time as waves follow the same patterns year after year. (d) beaches change little over time as wind patterns stay the same.

seeing as erosion in this topic i believe the answer would be B) Beaches are always changing due to factors such as waves adding and eroding sand.

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.

sex cells are usually half's then they find another half and make a fertilize egg