Why do researchers perfer to use embryonic stem cells instead of adult stem cells

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

You find a fossil that you are sure shows evidence of bipedalism. you know this because which of the following anatomical traits is present? a. thighbones that angle in toward the knees b. a narrow pelvis c. opposable hallux d. posterior position of the foramen magnum