The answer your looking for is B different patterns of gene expression
The answer to your question is,
Seafloor spreading
-Mabel <3
The correct answer is somatic symptom disorder.
This refers to a disorder when you feel discomfort or pain, however, there is no explanation for it given that the scans show no problems with your body. It may seem that it is all in your head because you will keep going to doctor trying to find a cure for something that ultimately doesn't exist.
Answer:
a
Explanation:
i AM SURE THAT THIS IS THE ANSWER BECAUSE IF YOU TAKE b AND pUT IT WITH B IT WILL GIVE YOU Bb BUT IF YOU PUT B AND B YOULL GET BB.