Help me I am timed plz Which action causes breakers?
A. Waves hit the shore at an angle and transport sand.
B. Water flows away from the shore and moves sand with it.
C. Underwater earthquakes cause motion throughout ocean water.
D. Waves meet the shore and cause the crest to spill over the trough.

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.