Answer: Commensalism
Explanation: Well you can already eliminate parasitism because that is when an organism leeches off another. Mutualism is when one organism needs to depend on another compared to A where both are benefited. Then you can eliminate d because competition is when two organism compete with each other for survival not benefiting them both.
The answer is the vitamin B 6 supplement can cause irreversible nerve damage. Taking too many vitamins can cause also a toxic effect on our body. Too much vitamin B6 can also cause oversensitivity to sunlight, which can lead to skin rashes and numbness, as well as nausea, vomiting, abdominal pain, loss of appetite, and abnormal liver function.
I believe it's stem cells.
There’s one hundred centimeters in one meter, and one thousand millimeters per meter.
that being said, 3000 mm are in 1 meter