The ph of a solution is tested, and it is found to be a basic solution. of the following choices, what could the ph have been?
o a. 7
ob. 5
oc. 9
od. 3

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.