(A) a change in a developmental gene or in its regulation that altered that spatial organization
I would select B or C as the answer because i have no idea what the other ones are :)
Vaccines, wash your hands, and condoms. There might be more but I think that’s it, hope this helped!
Nerve Regulators: Two types of nerves help to control the action of the digestive system. Extrinsic (outside) nerves come to the digestive organs from the unconscious part of the brain or from the spinal cord. They release a chemical called acetylcholine and another called adrenaline
So the fire won't have as much oxygen than it already does.
