Which vitamin is crucial for reducing the possibility of spina bifida and other neural tube defects during pregnancy

The answer is Folic corrosive or B-vitamin.  

Explanation:

Vitamins are essential building squares of the body and help keep you healthy. B vitamins incorporate thiamine, riboflavin, niacin, vitamin B6, vitamin B12, folic corrosive, and pantothenic corrosive. A few brands of B vitamins likewise contain fixings, for example, vitamin C, vitamin E, biotin, or zinc.Over time, an insufficiency in either B12 or folate can prompt macrocytic frailty, a condition in which red platelets are augmented.

so we know the answer cannot be c because no insect or animal starts as an adult

the answer is a. a swimming larvae

because since they are sea animals they automatticaly have to know how to swim they cannot just sink to the bottom

sorry if this is the incorrect answer.

the answer is c dandruff