Which layer is hot, solid material between the crust and earths core?

Which statement best describes how chemical equations demonstrate conservation of mass?

Identify the youngest layer in the figure ( have to click one letter)

Acity experiences a heavy rainfall. days later, when no rainwater is present, rock, debris, and soil fall down a steep hill. which type of mass movement does this describe? a. creep b. landslide c. mudflow d. slump