Hii.. Plzz answer..

Note the relationship between the first two words and suggest the suitable word(s) for the fourth place.

Ques. - Axons : Nerve :: Cytons :

in situ hybridization has been widely used for research applications, including clinical cytogenetics, gene mapping, tumor biology and studies of chromosome evolution.

materials water oxygen those are the things i can think of in this moment.

i think that c)gold was found there

but i am not sure

b) the inside picture would look at a very high temperature in a very low ph