Which of the following is an example of an emphasis on production quality?

matter is recycled.
emphasis is on pollution cleanup.
emphasis is on renewable resources.
natural resources are very important.

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.