Elements in group 2 are all called alkaline earth metals. whit is the most similar about the alkaline earth metals?

Wht happens as electrons in the electron transport chain release their energy

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?

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.