Why do geologists think Earth's core contains mostly iron? A. The crust also contains mostly iron.
B. The entire core is a solid mass.
C. Iron is the lightest element.
O D. Comets contain more iron than Earth's crust does.
SUBMIT

The transport tubes from food came down the plant are called?

The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods.c. it shows that these organisms share the same habitat.d. it provides evidence that these organisms suffered a genetic mutation.

Does anyone know what the schooling version of sos mean? example