When rocks are broken down by heat and pressure, chemical weathering has taken place Please select the best answer from the choices provided
T
F

9. the history of life on earth is recorded in

Which of the following is a testable hypotheses?

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.