The mass of the products of a chemical reaction __ the mass of the reactants A is greater than
B is less than
C is the same as
D may be more or less than

Liquid water turns into water vapor at which step in the water cycle

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.

The arrows in the illustration point to