Which of the following could help reduce waste buildup in heavily populated areas? A.
packing your lunch in a reusable bag instead of a paper bag
B.
using washable dishes rather than disposable plates and utensils
C.
recycling paper, plastics, metals, and glass
D.
all of these

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.