Aman checked himself into seattle hospital. he didnt know who he was and had no idea how he got to seattle. the hospital staff could find nothing wrong with him and sent his picture to tv stations. a relative who lived in england recognized the man, and came to get him. the man was probably suffering from

Amnesia would be the answer

Amnesia.

Explanation: Here we see the case of a man that has no short lapse memory nor long lapse memory, you can infer this because the man does not know his name and does not know why he is where he is.

This can be a case of amnesia, which is a deficiency in the memory caused by brain damage or disease. This can be temporal or total, and can only affect selected sections of the memory.

answer; i believe that the correct answer is (d) a very small amount of mass