I believe that curly ears are dominant because all the kittens had curly ears.
→ Trouble controlling anger, also called "roid-rage".
→ Tumors in your liver (this one isn't too much discussed, but it is possible).
→ Diseases that are carried in your blood (blood-borne diseases).
→ Extreme addiction (dependence; when your body needs a drug to function correctly).
→ Extreme withdrawal effects (which consists of pain, physical issues, and mental issues).
In my opinion, i think it's D but im not sure. Hope this helped, have an amazing day :)
Answer:
Neurons are brain cells, numbering in the billions, which are capable of instant communication with each other through chemical messengers called neurotransmitters. ... The brain then attempts to make an internal representation of our external world through complex chemical changes.
Explanation: