core material is thought to be mostlyg Iron and steel, nickel and iron, steel and nickel, lead and zinc?

Construct an explanation about the function of mitosis for multicellular organisms

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

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.