Lava is magma that has emerged from a volcano. What changes after it emerges? Select all correct answers.

(A.) Lava is no longer insulated by the Earth.

(B.) Lava is under more pressure than magma.

(C.) Magma is under more pressure than lava.

(D.) Lava has been exposed to oxygen.

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.