Answer:
C
Explanation:
It is positively charged and include most of the atom's mass.
The second one I think .............
The answer is D
Because it is kinda basic
The epidural anesthesia is a method of pain relief, which is used during the labor pain. It is a well known regional anesthesia. It works by acting as an analgesic, which means a substance that eases the pain, a complete anesthesia or loss of feeling does not occur in the case of epidural anesthesia. It blocks the nerve signals from the lower spinal segments. It is also known as spinal epidural anesthesia or lumbar epidural anesthesia.
Hence, the black can be filled with lumbar.
