A) is your best answer.
Relative Dating gives the 'relative dating', which allows one to find the difference of age between many different of fossils. However, radioactive dating is used to get a more exact measurement of a fossil, but it can only be used for certain types of fossils.
hope this helps
The answer would be letter C.
the process of organogenesis is of differentiation of the germ larger into organ and organ system. The germ layer which is a group of cells interact with each other as embryo develops and contribute to formation of all organs and tissues.
Go over materials that where gaven to you and maybe ask your teachers about the subject on the test but just come prepared and be ready for all that you learn about
