Because a newborn baby is trying to catch up with its own body after that's done, they form color, eyesight, and etc.
Answer:
Im pretty sure this is acceleration
The answer should be 4) as it is known that uv radiation might have an effect on dna, thus causing mutations such as skin cancer in humans.
D.) Esophagus. The esophagus carries food from the mouth down to the stomach.
