Which statement best describes the composition of the ancient supercontinent Pangaea? A.
Pangaea contained all of Earth's crust.

B.
Pangaea contained all of Earth's tectonic plates.

C.
Pangaea contained all of Earth's continental crust.

D.
Pangaea contained all of Earth's oceanic crust.

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.